APA-viite (7. p.)

Pett, M. A., Lackey, N. R., & Sullivan, J. J. (2003). Making sense of factor analysis: The use of factor analysis for instrument development in health care research. Sage.

Chicago-viite (17. p.)

Pett, Marjorie A., Nancy R. Lackey, ja John J. Sullivan. Making Sense of Factor Analysis: The Use of Factor Analysis for Instrument Development in Health Care Research. Thousand Oaks, Calif: Sage, 2003.

MLA-viite (9. p.)

Pett, Marjorie A., et al. Making Sense of Factor Analysis: The Use of Factor Analysis for Instrument Development in Health Care Research. Sage, 2003.