APA引文

Tan, B. K., & Helander, M. E. G. (2010). Safety and health maturity indicator.

Chicago Style Citation

Tan, Boon Keong., and Martin Erik Gustav Helander. Safety and Health Maturity Indicator. 2010.

MLA引文

Tan, Boon Keong., and Martin Erik Gustav Helander. Safety and Health Maturity Indicator. 2010.

警告：這些引文格式不一定是100％准確.