APA引文

Heldin Manurung. (2019). Intergraded English Grammar. Jakarta: Kesaint Blanc.

Chicago Style Citation

Heldin Manurung. Intergraded English Grammar. Jakarta: Kesaint Blanc, 2019.

MLA引文

Heldin Manurung. Intergraded English Grammar. Jakarta: Kesaint Blanc, 2019.

警告：這些引文格式不一定是100％准確.