Pattern calls for specific yarn only in some languages, this information is missing in others.
Løve Garn Bomuld 8/4 is used for the top, Løve Garn Glamour for the skirt.

In the original pattern needle sizes are 2 mm and 2.5 mm, but in English and French version this is translated to 2 mm and 2¼ mm (US 1).

Gauge is not given in the pattern but you can find it in the yarn section of the site, and it is:
With 2 mm needles: 32 sts and 44 rows = 10 cm x 10 cm
With 2½ mm needles: 28 sts and 39 rows = 10 cm x 10 cm

Look for pattern by number at http://www.stickatillbarbie.se.
The website is in English & Swedish, but patterns are available in several languages.

On the website you’ll find the patterns listed on the left, by number, grouped on pages.
Accessories like hats, scarves or bags are listed in the accessory section, below in the left column.
Click on numbers to open a page, look for the numbered image, then for the link to the desired language below it (clicking on the image will only enlarge it).

This pattern comes in a .doc file, except for Russian version that links to another website.

Second photo shows an adapted version for Les Cheries and Hearts for Hearts girl dolls, made using a larger needle (US 3).