Cita APA (7th ed.)

Thakur, V. (2012). A text book of environmental science. Scientific Publishers.

Cita Chicago (17th ed.)

Thakur, Vidya. A Text Book of Environmental Science. Jodhpur: Scientific Publishers, 2012.

Cita MLA (9th ed.)

Thakur, Vidya. A Text Book of Environmental Science. Scientific Publishers, 2012.