Gaya APA
WALKER,Jhon Charles. (1957).
Plant Pathology (2nd ed).
New York:
McGRAW-HILL BOOK COMPANY.
Gaya Chicago
WALKER,Jhon Charles.
Plant Pathology.
2nd ed
New York:
McGRAW-HILL BOOK COMPANY,
1957.
Teks.
Gaya MLA
WALKER,Jhon Charles.
Plant Pathology.
2nd ed
New York:
McGRAW-HILL BOOK COMPANY,
1957.
Teks.
Gaya Turabian
WALKER,Jhon Charles.
Plant Pathology.
2nd ed
New York:
McGRAW-HILL BOOK COMPANY,
1957.
Teks.