Gaya APA
Singh, A.K.. (2001).
Agricultural extension : impact and assessment / A.K. Singh .
India:
Agrobios.
Gaya Chicago
Singh, A.K..
Agricultural extension : impact and assessment / A.K. Singh.
India:
Agrobios,
2001.
Text.
Gaya MLA
Singh, A.K..
Agricultural extension : impact and assessment / A.K. Singh.
India:
Agrobios,
2001.
Text.
Gaya Turabian
Singh, A.K..
Agricultural extension : impact and assessment / A.K. Singh.
India:
Agrobios,
2001.
Print.