Gaya APA
Cullis, W., Morison, I, T. (1964).
Your body and the way it wokrs (6 th Impression).
Sebastopol, CA:
George Allen & Unwin LTD.
Gaya MLA
Cullis, Winifred., Morison, Ian, T.
"Your body and the way it wokrs".
6 th Impression
Sebastopol, CA:
George Allen & Unwin LTD,
1964.
Text.