استشهادات التسجيلة

APA استشهاد

Langan John. (2005). User's Guide: College Writing Skills and College Writing Skills with Readings (Tái bản lần thứ 6.). American: MC Graw Hill.

استشهاد بنمط شيكاغو

Langan John. User's Guide: College Writing Skills and College Writing Skills With Readings. Tái bản lần thứ 6. American: MC Graw Hill, 2005.

MLA استشهاد

Langan John. User's Guide: College Writing Skills and College Writing Skills With Readings. Tái bản lần thứ 6. American: MC Graw Hill, 2005.

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