Gaya APA
Jacques, Jean, Schreiber, Servan. (1981).
The World Challenge .
USA:
Simon and Schuster.
Gaya Chicago
Jacques, Jean, Schreiber, Servan.
The World Challenge.
USA:
Simon and Schuster,
1981.
Text.
Gaya MLA
Jacques, Jean, Schreiber, Servan.
The World Challenge.
USA:
Simon and Schuster,
1981.
Text.
Gaya Turabian
Jacques, Jean, Schreiber, Servan.
The World Challenge.
USA:
Simon and Schuster,
1981.
Print.