APA
Troutman K. K., . (2007). Taking the Next Step. : South Western Educational Publishing.
Chicago
Troutman Kathryn Kraemer, . 2007. Taking the Next Step. : South Western Educational Publishing.
Harvard
Troutman K. K., . (2007). Taking the Next Step. : South Western Educational Publishing.
MLA
Troutman Kathryn Kraemer, . Taking the Next Step. : South Western Educational Publishing. 2007.