Zean Zukowski. (2000). Forcus on grammar: An high-intermediate course for reference and practice (Teacher's manual). White Plains, NY: Pearson Education.
استشهاد بنمط شيكاغوZean Zukowski. Forcus On Grammar: An High-intermediate Course for Reference and Practice (Teacher's Manual). White Plains, NY: Pearson Education, 2000.
MLA استشهادZean Zukowski. Forcus On Grammar: An High-intermediate Course for Reference and Practice (Teacher's Manual). White Plains, NY: Pearson Education, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.