Παραπομπή APA

S.K Singh & Singh, S. D. (2011). Extension techniques for livestock development. NEWINDIA PUBLISHING AGENCY.

Παραπομπή Chicago Style

S.K Singh και S. D. Singh. Extension Techniques for Livestock Development. NEW DELHI: NEWINDIA PUBLISHING AGENCY, 2011.

Παραπομπή MLA

S.K Singh και S. D. Singh. Extension Techniques for Livestock Development. NEWINDIA PUBLISHING AGENCY, 2011.