APA (7th ed.) Citation

Purba, R. (1981). Angkutan muatan laut. Bhratara Karya Aksara.

Chicago Style (17th ed.) Citation

Purba, Radiks. Angkutan Muatan Laut. Jakarta: Bhratara Karya Aksara, 1981.

MLA (9th ed.) Citation

Purba, Radiks. Angkutan Muatan Laut. Bhratara Karya Aksara, 1981.

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