Gaya APA

Ratliff, T, A. (2003). The Laboratory Quality Assurance System, 3rd Ed. (3rd Ed.). : Wiley-Interscience.

Gaya MLA

Ratliff, Thomas, A.. "The Laboratory Quality Assurance System, 3rd Ed.". 3rd Ed. : Wiley-Interscience, 2003. Text.