Gaya APA

Notosusanto, N, &, I, S. (1989). Tragedi nasional, percobaan kup G 30 S/PKI di Indonesia. : The coup attempt of the September 30 movement in Indonesia. . Jakarta: Intermasa.

Gaya MLA

Notosusanto, Nugroho, &, Ismail, Saleh.. "Tragedi nasional, percobaan kup G 30 S/PKI di Indonesia. : The coup attempt of the September 30 movement in Indonesia. ". Jakarta: Intermasa, 1989. Buku.