APA (7th ed.) Zitazioa

Nigam, A. K., Puri, P. D., & Gupta, V. K. (1989). Characterizations and analysis of block designs. John Wiley.

Chicago Style (17th ed.) Zitazioa

Nigam, A. K., P. D. Puri, eta Virendra K. Gupta. Characterizations and Analysis of Block Designs. Nueva York: John Wiley, 1989.

MLA (9th ed.) Zitazioa

Nigam, A. K., et al. Characterizations and Analysis of Block Designs. John Wiley, 1989.