APA (7th ed.) Citation

Wingfield, B. (2002). Mempertahankan karyawan unggul. PPM.

Chicago Style (17th ed.) Citation

Wingfield, Barb. Mempertahankan Karyawan Unggul. PPM, 2002.

MLA (8th ed.) Citation

Wingfield, Barb. Mempertahankan Karyawan Unggul. PPM, 2002.

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