PETRAS, J. Di Ambang Revolusi. c-Books.
Chicago Style (17th ed.) CitationPETRAS, James. Di Ambang Revolusi. c-Books.
MLA (8th ed.) CitationPETRAS, James. Di Ambang Revolusi. c-Books.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation