APA
Vidyasagar A., . (2012). Sustainable livelihoods: collection and marketing of NTFP by scheduled tribes with special reference to North Coastel Andhra Pradesh. New Delhi: Concept.
Chicago
Vidyasagar A, . 2012. Sustainable livelihoods: collection and marketing of NTFP by scheduled tribes with special reference to North Coastel Andhra Pradesh. New Delhi: Concept.
Harvard
Vidyasagar A., . (2012). Sustainable livelihoods: collection and marketing of NTFP by scheduled tribes with special reference to North Coastel Andhra Pradesh. New Delhi: Concept.
MLA
Vidyasagar A, . Sustainable livelihoods: collection and marketing of NTFP by scheduled tribes with special reference to North Coastel Andhra Pradesh. New Delhi: Concept. 2012.