Παραπομπή APA

SINGH, S. M. (2007). EARTHWORMS FOR SOLID WASTE MANAGEMENT.

Παραπομπή Chicago Style

SINGH, SATYENDRA M. EARTHWORMS FOR SOLID WASTE MANAGEMENT. LUCKNOW, INTERNATIONAL BOOKDISTRIBUTING CO, 2007.

Παραπομπή MLA

SINGH, SATYENDRA M. EARTHWORMS FOR SOLID WASTE MANAGEMENT. 2007.