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.