APA引文

SINGH Y K. (2017). ENVIRONMENTAL SCIENCE. NEW AGE INTERNATIONAL PUBLISHERS.

Chicago Style (17th ed.) Citation

SINGH Y K. ENVIRONMENTAL SCIENCE. NEW AGE INTERNATIONAL PUBLISHERS, 2017.

MLA引文

SINGH Y K. ENVIRONMENTAL SCIENCE. NEW AGE INTERNATIONAL PUBLISHERS, 2017.

警告：這些引文格式不一定是100％准確.