Gaya APA

ASFAHL, C, R., Rieske, D, W. (2010). Industrial safety and health management, sixth edition (Sixth Edition). boston: Pearson Education.

Gaya MLA

ASFAHL, C., Ray., Rieske, David, W.. "Industrial safety and health management, sixth edition". Sixth Edition boston: Pearson Education, 2010. FAKULTAS TEKNIK.