Penggayaan APA
CLAPHAM, Jr., W.B.. (1981).
HUman ecosystems .
New York:
Macmillan.
Chicago Style
CLAPHAM, Jr., W.B..
HUman ecosystems.
New York:
Macmillan,
1981.
Text.
MLA Style
CLAPHAM, Jr., W.B..
HUman ecosystems.
New York:
Macmillan,
1981.
Text.
Turabian Style
CLAPHAM, Jr., W.B..
HUman ecosystems.
New York:
Macmillan,
1981.
Print.