You would use the instructions for the front when designing the back. There is just one difference - there is only one colour of yarn.

Measurements
Bust sizes
81 86 91 97 cm
32 34 36 38 in
Length to back of Neck
64 64 64 64 cm
25 25 25 25 in
Seeve Seam
46 46 46 46 cm
18, 18, 18, 18 in

Each pamphlet has its own set of recommended yarns. The following is from the King Cole version.

Materials
King Cole Big Vlue DK
A 4, 5, 5, 5 100g Balls
B 1, 1, 1, 1 100g Ball
C 1, 1, 1, 1 100g Ball.