Barrett, B. S. (1999). An application of the transtheoretical model to physical activity. University Microfilms International.
Chicago Style (17th ed.) CitationBarrett, Betsy Sue. An Application of the Transtheoretical Model to Physical Activity. Ann Arbor: University Microfilms International, 1999.
MLA (9th ed.) CitationBarrett, Betsy Sue. An Application of the Transtheoretical Model to Physical Activity. University Microfilms International, 1999.
Warning: These citations may not always be 100% accurate.