APA استشهاد

Michael L Keene. (1987). Effecting professional writing. Lexington, Massachusetts: D. C. Health and Co.

استشهاد بنمط شيكاغو

Michael L Keene. Effecting Professional Writing. Lexington, Massachusetts: D. C. Health and Co, 1987.

MLA استشهاد

Michael L Keene. Effecting Professional Writing. Lexington, Massachusetts: D. C. Health and Co, 1987.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.