La Rondelle, H. K. (1975). Perfection and perfectionism. Andrews University.
Cita Chicago (17th ed.)La Rondelle, H. K. Perfection and Perfectionism. Andrews University, 1975.
Cita MLA (9th ed.)La Rondelle, H. K. Perfection and Perfectionism. Andrews University, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.