APA Style
Hartley, C.W.S. (1979).
The Oil Palm (2nd).
New York:
Longman inc.
Chicago Style
Hartley, C.W.S.
The Oil Palm.
2nd
New York:
Longman inc,
1979.
teks.
MLA Style
Hartley, C.W.S.
The Oil Palm.
2nd
New York:
Longman inc,
1979.
teks.
Turabian Style
Hartley, C.W.S.
The Oil Palm.
2nd
New York:
Longman inc,
1979.
teks.