Gaya APA
Smith, L, B, S, C, A, S, E. (2002).
STP New National Curriculum Mathematics Higher GCSE 11B .
Cheltenham:
Nelson Thornes Ltd.
Gaya MLA
Smith, L, Bostock, S, Chandler, A, Shepherd, E.
"STP New National Curriculum Mathematics Higher GCSE 11B".
Cheltenham:
Nelson Thornes Ltd,
2002.
.