APA aipamena

De Belen, R. T., & De Belen, A. R. V. (2019). Business & technical writing. Jobal Publishing, Inc.

Chicago Style aipamena

De Belen, Rustico T., and Arthur Reiner V. De Belen. Business & Technical Writing. Quezon City: Jobal Publishing, Inc, 2019.

MLA aipamena

De Belen, Rustico T., and Arthur Reiner V. De Belen. Business & Technical Writing. Jobal Publishing, Inc, 2019.