Gaya APA
Quthub, M, A.
(1982).
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Yogakarta:
Insitut kuantum Akhyar.
Gaya MLA
Quthub, Muhammad, Ali.
"SEPULUH SAHABAT DIJAMIN AHLI SURGA".
Yogakarta:
Insitut kuantum Akhyar,
1982.
.