Gaya APA

EBOOK : An applied Guide to Research Designs : Quantitative, Qualitative, and Mixed Methods, 2nd Edition. (2017). California: SAGE Publications, Inc.

Gaya MLA

EBOOK : An applied Guide to Research Designs : Quantitative, Qualitative, and Mixed Methods, 2nd Edition. 2. California: SAGE Publications, Inc, 2017. Text.