Gaya APA

Manurung, Heldin. (2011). Learner's English Grammar : Complete English Grammar Needed and Used . Bogor: Great Media.

Gaya Chicago

Manurung, Heldin. Learner's English Grammar : Complete English Grammar Needed and Used. Bogor: Great Media, 2011. Teks.

Gaya MLA

Manurung, Heldin. Learner's English Grammar : Complete English Grammar Needed and Used. Bogor: Great Media, 2011. Teks.

Gaya Turabian

Manurung, Heldin. Learner's English Grammar : Complete English Grammar Needed and Used. Bogor: Great Media, 2011. Teks.