APA
Johnson G., . (2007). Student Study Guide t/a The Living World. : McGraw-Hill Science/Engineering/Math.
Chicago
Johnson George, . 2007. Student Study Guide t/a The Living World. : McGraw-Hill Science/Engineering/Math.
Harvard
Johnson G., . (2007). Student Study Guide t/a The Living World. : McGraw-Hill Science/Engineering/Math.
MLA
Johnson George, . Student Study Guide t/a The Living World. : McGraw-Hill Science/Engineering/Math. 2007.