APA استشهاد

STANSFIFLD,Willam D. (1969). THEORY AND PROBLEMS OF GENETICS (2.). McGRAW-HILL.

استشهاد بنمط شيكاغو

STANSFIFLD,Willam D. THEORY AND PROBLEMS OF GENETICS. 2. NEW YORK: McGRAW-HILL, 1969.

MLA استشهاد

STANSFIFLD,Willam D. THEORY AND PROBLEMS OF GENETICS. 2. McGRAW-HILL, 1969.