APA Citation

Ridley, J. (2013). Health & Safety in Brief, Third Edition = Ikhtisar Kesehatan dan Keselamatan Kerja. Erlangga.

Chicago Style Citation

Ridley, John. Health & Safety in Brief, Third Edition = Ikhtisar Kesehatan Dan Keselamatan Kerja. Erlangga, 2013.

MLA Citation

Ridley, John. Health & Safety in Brief, Third Edition = Ikhtisar Kesehatan Dan Keselamatan Kerja. Erlangga, 2013.

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