APA Style
Walker, John Charles. (1957).
Plant pathology (Ed.2).
New York:
McGraw-Hill Book Company.
Chicago Style
Walker, John Charles.
Plant pathology.
Ed.2
New York:
McGraw-Hill Book Company,
1957.
Buku Teks.
MLA Style
Walker, John Charles.
Plant pathology.
Ed.2
New York:
McGraw-Hill Book Company,
1957.
Buku Teks.
Turabian Style
Walker, John Charles.
Plant pathology.
Ed.2
New York:
McGraw-Hill Book Company,
1957.
Buku Teks.