Gaya APA
Safwan,Mardanas, ., Tobing, B.
(2010).
Gerungan Saul Samuel Jacob Ratulangi
.
Jakarta:
Mutiara Sumber.
Gaya MLA
Safwan,Mardanas, ., Tobing, Bey.
"Gerungan Saul Samuel Jacob Ratulangi".
Jakarta:
Mutiara Sumber,
2010.
Text.