Cita APA (7th ed.)

Vyas, L., & Garg, R. (1989). Wetland Conservation. Environment community centre.

Cita Chicago (17th ed.)

Vyas, L.N, i R.K Garg. Wetland Conservation. Udaipur: Environment community centre, 1989.

Cita MLA (9th ed.)

Vyas, L.N, i R.K Garg. Wetland Conservation. Environment community centre, 1989.