APA استشهاد

Billimoria, R. P., & Singh, N. K. (1985). Human resource development: A study of the airlines in Asian countries.

استشهاد بنمط شيكاغو

Billimoria, R P., و N K. Singh. Human Resource Development: A Study of the Airlines in Asian Countries. New Delhi, Vikas publishing house, 1985.

MLA استشهاد

Billimoria, R P., و N K. Singh. Human Resource Development: A Study of the Airlines in Asian Countries. 1985.