Gaya APA
Nasution, S.. (1995, 2003).
Metode Research: Penelitian Ilmiah (1st.Ed.,).
Jakarta:
Bumi Aksara.
Gaya Chicago
Nasution, S..
Metode Research: Penelitian Ilmiah.
1st.Ed.,
Jakarta:
Bumi Aksara,
1995, 2003.
Text.
Gaya MLA
Nasution, S..
Metode Research: Penelitian Ilmiah.
1st.Ed.,
Jakarta:
Bumi Aksara,
1995, 2003.
Text.
Gaya Turabian
Nasution, S..
Metode Research: Penelitian Ilmiah.
1st.Ed.,
Jakarta:
Bumi Aksara,
1995, 2003.
Print.