APA (7th ed.) Citation

SIMORANGKIR, O. (1985). Etiket Kantor. Aksara Persada.

Chicago Style (17th ed.) Citation

SIMORANGKIR, O.P. Etiket Kantor. Aksara Persada, 1985.

MLA (8th ed.) Citation

SIMORANGKIR, O.P. Etiket Kantor. Aksara Persada, 1985.

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