APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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