APA (7th ed.) Citation

RAVENSBURG, O. M. V. (1999). MELACAK ALAM: DASAR-DASAR PENGETAHUAN. ANGKASA.

Chicago Style (17th ed.) Citation

RAVENSBURG, OTTO MAIER VERLAG. MELACAK ALAM: DASAR-DASAR PENGETAHUAN. ANGKASA, 1999.

MLA (8th ed.) Citation

RAVENSBURG, OTTO MAIER VERLAG. MELACAK ALAM: DASAR-DASAR PENGETAHUAN. ANGKASA, 1999.

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