APA استشهاد

HANSEN,Morris.H And HURTWITZ,WILLIAM.N. (1953). SAMPLE SURVEY METHODS AND THEORY. John Wiley & Sons , Inc.

استشهاد بنمط شيكاغو

HANSEN,Morris.H And HURTWITZ,WILLIAM.N. SAMPLE SURVEY METHODS AND THEORY. LONDON, NEW YORK: John Wiley & Sons , Inc, 1953.

MLA استشهاد

HANSEN,Morris.H And HURTWITZ,WILLIAM.N. SAMPLE SURVEY METHODS AND THEORY. John Wiley & Sons , Inc, 1953.