Gaya APA
Hatta, M.
(1957).
Alam Pikiran Junani I
(
Fifth Edition)
.
Jakarta, Indonesia:
Tintamas Kramat.
Gaya MLA
Hatta, Mohammad.
"Alam Pikiran Junani I".
Fifth Edition
Jakarta, Indonesia:
Tintamas Kramat,
1957.
Academic.