Gaya APA
Wolfe, B, D.
(1956).
SIX KEYS TO THE SOVIET SYSTEM
(
Edisi 1)
.
Amerika:
Beacon Press.
Gaya MLA
Wolfe, Betram, D..
"SIX KEYS TO THE SOVIET SYSTEM".
Edisi 1
Amerika:
Beacon Press,
1956.
Text.