APA (7th ed.) Citation

SIAGIAN, S. P. (1989). Fungsi-Fungsi Manajerial. Bumi Aksara.

Chicago Style (17th ed.) Citation

SIAGIAN, Sondang P. Fungsi-Fungsi Manajerial. Bumi Aksara, 1989.

MLA (8th ed.) Citation

SIAGIAN, Sondang P. Fungsi-Fungsi Manajerial. Bumi Aksara, 1989.

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