APA (7th ed.) Citation

Morgan, R. L., & Osman, F. (2001). Melayani pelanggan kecewa. PPM.

Chicago Style (17th ed.) Citation

Morgan, Rebecca L., and Fiyanti Osman. Melayani Pelanggan Kecewa. PPM, 2001.

MLA (8th ed.) Citation

Morgan, Rebecca L., and Fiyanti Osman. Melayani Pelanggan Kecewa. PPM, 2001.

Warning: These citations may not always be 100% accurate.