Michael L Keene. (1987). Effecting professional writing. Lexington, Massachusetts: D. C. Health and Co.
استشهاد بنمط شيكاغوMichael L Keene. Effecting Professional Writing. Lexington, Massachusetts: D. C. Health and Co, 1987.
MLA استشهادMichael L Keene. Effecting Professional Writing. Lexington, Massachusetts: D. C. Health and Co, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.