Gaya APA
Morger, G., Tilstone, M, E. (1966).
Living thing and their environment : revised nuffield biology text 3 .
London:
Longman Group.
Gaya MLA
Morger, Grace., Tilstone, Margaret, E..
"Living thing and their environment : revised nuffield biology text 3".
London:
Longman Group,
1966.
Text.