Young,Pauline V, & Schmid,Calvin F. (1998). Scientific social surveys and research: Introduction to the background content , methods , principles and analysis of social studies (4.). Prentice -Hall of India Pvt.Ltd.
استشهاد بنمط شيكاغوYoung,Pauline V, و Schmid,Calvin F. Scientific Social Surveys and Research: Introduction to the Background Content , Methods , Principles and Analysis of Social Studies. 4. New Delhi: Prentice -Hall of India Pvt.Ltd, 1998.
MLA استشهادYoung,Pauline V, و Schmid,Calvin F. Scientific Social Surveys and Research: Introduction to the Background Content , Methods , Principles and Analysis of Social Studies. 4. Prentice -Hall of India Pvt.Ltd, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.