APA (7. basım) Alıntı

YORKEY RICHARD. (1981). REPLY REQUESTED 30 LETTERS OF ADVICE. ADDISON-WESLEY.

Chicago Style (17. basım) Atıf

YORKEY RICHARD. REPLY REQUESTED 30 LETTERS OF ADVICE. NEW YORK: ADDISON-WESLEY, 1981.

MLA (9th ed.) Atıf

YORKEY RICHARD. REPLY REQUESTED 30 LETTERS OF ADVICE. ADDISON-WESLEY, 1981.