Παραπομπή APA

Murthy, M. (1977). Sampling: Thoery and methods. Statistical publishing society.

Παραπομπή Chicago Style

Murthy, M.N. Sampling: Thoery and Methods. Calcutta: Statistical publishing society, 1977.

Παραπομπή MLA

Murthy, M.N. Sampling: Thoery and Methods. Statistical publishing society, 1977.