Gaya APA
Problems of communism. Ada: vol.11 (1962)-12 (1963), 16 (1967)
.
( 1962 dsl).
Washington:
DC.
Gaya MLA
Problems of communism. Ada: vol.11 (1962)-12 (1963), 16 (1967)
.
.
Washington:
DC,
1962 dsl.
Buku.