Gaya APA
Davey, T., Crewe, W. (1973).
A Guide to Human Parasitology for Medical Practitioners (9 nd ed).
London:
The English Language Book Society.
Gaya MLA
Davey, T., Crewe, W..
A Guide to Human Parasitology for Medical Practitioners.
9 nd ed
London:
The English Language Book Society,
1973.
Text.