Citazione APA

Pranesh Kumar, Psadam Singh, & Singh, D. (1978). Handbook of sampling methods. Indian Agricultural Statistics Research Institut.

Stile di citazione Chicago

Pranesh Kumar, Psadam Singh, e D. Singh. Handbook of Sampling Methods. New Delhi: Indian Agricultural Statistics Research Institut, 1978.

Citazione MLA

Pranesh Kumar, et al. Handbook of Sampling Methods. Indian Agricultural Statistics Research Institut, 1978.