Παραπομπή APA

Karmel, P. H. (1970). Applied statistics for economists (3rd.). Pitman.

Παραπομπή Chicago Style

Karmel, P H. Applied Statistics for Economists. 3rd. London: Pitman, 1970.

Παραπομπή MLA

Karmel, P H. Applied Statistics for Economists. 3rd. Pitman, 1970.