Παραπομπή APA

Asthana, B. N. (1971). Elements of statistics. Chaitanya Pub House.

Παραπομπή Chicago Style

Asthana, B. N. Elements of Statistics. Allahabad: Chaitanya Pub House, 1971.

Παραπομπή MLA

Asthana, B. N. Elements of Statistics. Chaitanya Pub House, 1971.