Bedi, Y. P. (1974). Handbook of hygiene and public health. Atmaram.
Dyfyniad Arddull ChicagoBedi, Yash Pal. Handbook of Hygiene and Public Health. Delhi: Atmaram, 1974.
Dyfyniad MLABedi, Yash Pal. Handbook of Hygiene and Public Health. Atmaram, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.