Gaya APA
HARRIS, J. (1975).
TEACHERS GUIDE FOR BOOK Y. THE SCHOOL MATHEMATICS PROJRECT .
LONDON:
CAMBRIDGE UNIVERSITY PRESS.
Gaya MLA
HARRIS, JOYCE.
"TEACHERS GUIDE FOR BOOK Y. THE SCHOOL MATHEMATICS PROJRECT".
LONDON:
CAMBRIDGE UNIVERSITY PRESS,
1975.
Text.