APA引文

Kurian Joseph. (2004). Essentials of environmental studies. Pearson Education.

Chicago Edition Citation

Kurian Joseph. Essentials of Environmental Studies. Delhi: Pearson Education, 2004.

MLA引文

Kurian Joseph. Essentials of Environmental Studies. Pearson Education, 2004.

警告：這些引文格式不一定是100％准確.