Gaya APA
Bey, Tobing. (2017).
Mantan .
Jakarta:
Gramedia.
Gaya Chicago
Bey, Tobing.
Mantan.
Jakarta:
Gramedia,
2017.
Text.
Gaya MLA
Bey, Tobing.
Mantan.
Jakarta:
Gramedia,
2017.
Text.
Gaya Turabian
Bey, Tobing.
Mantan.
Jakarta:
Gramedia,
2017.
Print.