APA (7th ed.) Citation

Siagian, S. P. (1992). Fungsi-fungsi manajerial. Bumi Aksara.

Chicago Style (17th ed.) Citation

Siagian, Sondang P. Fungsi-fungsi Manajerial. Bumi Aksara, 1992.

MLA (8th ed.) Citation

Siagian, Sondang P. Fungsi-fungsi Manajerial. Bumi Aksara, 1992.

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