De Belen, R. T. (2019). Research & thesis writing: Outcome-based research manual. Wiseman's Books Trading, Inc.
Cita Chicago Style (17a ed.)De Belen, Rustico T. Research & Thesis Writing: Outcome-based Research Manual. Quezon City: Wiseman's Books Trading, Inc, 2019.
Cita MLA (9a ed.)De Belen, Rustico T. Research & Thesis Writing: Outcome-based Research Manual. Wiseman's Books Trading, Inc, 2019.
Precaución: Estas citas no son 100% exactas.