APA (7th ed.) Citation

Jonathan, R. (2013). Nilai Tambang Batubara dan Ekonomi. Bimotry.

Chicago Style (17th ed.) Citation

Jonathan, Robin. Nilai Tambang Batubara Dan Ekonomi. Bimotry, 2013.

MLA (8th ed.) Citation

Jonathan, Robin. Nilai Tambang Batubara Dan Ekonomi. Bimotry, 2013.

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