Gaya APA
Yamin, Moh. (1950).
Sapta Dharma .
Medan:
Islamijah.
Gaya Chicago
Yamin, Moh.
Sapta Dharma.
Medan:
Islamijah,
1950.
Text.
Gaya MLA
Yamin, Moh.
Sapta Dharma.
Medan:
Islamijah,
1950.
Text.
Gaya Turabian
Yamin, Moh.
Sapta Dharma.
Medan:
Islamijah,
1950.
Print.