Gaya APA
Cowling, E, B., Horsfall, J, G. (1978).
Plant Disease an Advance Treatise Volume III (Copy).
London:
Academic Press.
Gaya MLA
Cowling, Ellis, B.., Horsfall, James, G..
"Plant Disease an Advance Treatise Volume III".
Copy
London:
Academic Press,
1978.
Text.