APA引文

Duggal, S. (2016). Surveying Vol.2 (4.). Mc Graw Hill Education.

芝加哥风格引文

Duggal, S.K. Surveying Vol.2. 4. chennai: Mc Graw Hill Education, 2016.

MLA引文

Duggal, S.K. Surveying Vol.2. 4. Mc Graw Hill Education, 2016.