APA Style
Kayam, Umar. (1990).
Sketsa-Sketsa Umar Kayam (Cet.3 Juli 1992).
Jakarta:
Times Editions Pte Ltd.
Chicago Style
Kayam, Umar.
Sketsa-Sketsa Umar Kayam.
Cet.3 Juli 1992
Jakarta:
Times Editions Pte Ltd,
1990.
Text.
MLA Style
Kayam, Umar.
Sketsa-Sketsa Umar Kayam.
Cet.3 Juli 1992
Jakarta:
Times Editions Pte Ltd,
1990.
Text.
Turabian Style
Kayam, Umar.
Sketsa-Sketsa Umar Kayam.
Cet.3 Juli 1992
Jakarta:
Times Editions Pte Ltd,
1990.
Print.