Gaya APA
MANURUNG, H., ASTRID, M. (2004).
Smart English Sentence Structure For SMP-SMU (Cet. 1).
Jakarta:
Great Media.
Gaya MLA
MANURUNG, Heldin., ASTRID, Motota.
"Smart English Sentence Structure For SMP-SMU".
Cet. 1
Jakarta:
Great Media,
2004.
Text.