APA (7th ed.) Citation

Ridley, J. 6 Kesehatan dan Keselamatan Kerja: Ihtisar=Health and Safety in Brief. - - Ed.3. Erlangga.

Chicago Style (17th ed.) Citation

Ridley, John. 6 Kesehatan Dan Keselamatan Kerja: Ihtisar=Health and Safety in Brief. - - Ed.3. Erlangga.

MLA (8th ed.) Citation

Ridley, John. 6 Kesehatan Dan Keselamatan Kerja: Ihtisar=Health and Safety in Brief. - - Ed.3. Erlangga.

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