Macabuhay, C. H. (1989). Effective business letters and communication. National Book Store.
Chicago Style (17th ed.) CitationMacabuhay, Cynthia Hermosisima. Effective Business Letters and Communication. Manila: National Book Store, 1989.
MLA (9th ed.) CitationMacabuhay, Cynthia Hermosisima. Effective Business Letters and Communication. National Book Store, 1989.
Warning: These citations may not always be 100% accurate.