De Belen, R. T. (2015). Research methods and thesis writing. Wiseman'sBooks Trading, Inc.
Cita Chicago (17th ed.)De Belen, Rustico T. Research Methods and Thesis Writing. Quezon City: Wiseman'sBooks Trading, Inc, 2015.
Cita MLA (9th ed.)De Belen, Rustico T. Research Methods and Thesis Writing. Wiseman'sBooks Trading, Inc, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.