APA aipamena

Lester, J. D. (2015). Writing research papers: A complete Guide. England: Pearson.

Chicago Style aipamena

Lester, James D. Writing Research Papers: A Complete Guide. England: Pearson, 2015.

MLA aipamena

Lester, James D. Writing Research Papers: A Complete Guide. England: Pearson, 2015.