APA Edition Citation

Nigam, A. K., & Puri, P. D. G. (1988). Charecterizations and analysis of block Design. Wiley Eastern Ltd.

Chicago Edition Citation

Nigam, A K., and P D Gupta Puri. Charecterizations and Analysis of Block Design. New Delhi: Wiley Eastern Ltd, 1988.

MLA Edition Citation

Nigam, A K., and P D Gupta Puri. Charecterizations and Analysis of Block Design. Wiley Eastern Ltd, 1988.