APA (7th ed.) Citation

Purba, R. Angkutan muatan laut. Rineka Cipta.

Chicago Style (17th ed.) Citation

Purba, Radiks. Angkutan Muatan Laut. Rineka Cipta.

MLA (8th ed.) Citation

Purba, Radiks. Angkutan Muatan Laut. Rineka Cipta.

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