Gaya APA
Garaudy, R. (1970).
The turning-point of socialism, transl.by F and B.Ross. : Le grand tournant du socialisme. 1969. .
London:
Collins.
Gaya MLA
Garaudy, Roger..
"The turning-point of socialism, transl.by F and B.Ross. : Le grand tournant du socialisme. 1969. ".
London:
Collins,
1970.
Buku.