APA Style
Hoefer, Hans Johannes. (1990).
Singapore (Cet.1, 1990).
Singapore:
APA Publications.
Chicago Style
Hoefer, Hans Johannes.
Singapore.
Cet.1, 1990
Singapore:
APA Publications,
1990.
Text.
MLA Style
Hoefer, Hans Johannes.
Singapore.
Cet.1, 1990
Singapore:
APA Publications,
1990.
Text.
Turabian Style
Hoefer, Hans Johannes.
Singapore.
Cet.1, 1990
Singapore:
APA Publications,
1990.
Print.