Gaya APA

Manurung, Heldin. (2007). Simplified english grammar / Heldin Manurung . Jakarta: Kesaint Blanc.

Gaya Chicago

Manurung, Heldin. Simplified english grammar / Heldin Manurung. Jakarta: Kesaint Blanc, 2007. Text.

Gaya MLA

Manurung, Heldin. Simplified english grammar / Heldin Manurung. Jakarta: Kesaint Blanc, 2007. Text.

Gaya Turabian

Manurung, Heldin. Simplified english grammar / Heldin Manurung. Jakarta: Kesaint Blanc, 2007. Print.