APA Style
Nasution, Farid, Fachruddin. (1993).
Penelitian Praktis / Farid Nasution, Fachruddin (cet.1).
Medan:
Pustaka Widya Sarana.
Chicago Style
Nasution, Farid, Fachruddin.
Penelitian Praktis / Farid Nasution, Fachruddin.
cet.1
Medan:
Pustaka Widya Sarana,
1993.
Text.
MLA Style
Nasution, Farid, Fachruddin.
Penelitian Praktis / Farid Nasution, Fachruddin.
cet.1
Medan:
Pustaka Widya Sarana,
1993.
Text.
Turabian Style
Nasution, Farid, Fachruddin.
Penelitian Praktis / Farid Nasution, Fachruddin.
cet.1
Medan:
Pustaka Widya Sarana,
1993.
Print.