Παραπομπή APA

Elhance, D. N. (1984). Practical problems in statistics (33 Edition.).

Παραπομπή Chicago Style

Elhance, D N. Practical Problems in Statistics. 33 Edition. Kitab Mahal, Allahabad, 1984.

Παραπομπή MLA

Elhance, D N. Practical Problems in Statistics. 33 Edition. 1984.