APA (7th ed.) Citation

Abel, S. (1979). Industrial engineering. ATN Malang.

Chicago Style (17th ed.) Citation

Abel, Silalahi. Industrial Engineering. ATN Malang, 1979.

MLA (8th ed.) Citation

Abel, Silalahi. Industrial Engineering. ATN Malang, 1979.

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