La Rondelle, H. K. (1975). Perfection and perfectionism. Andrews University.
Chicago Style aipamenaLa Rondelle, H. K. Perfection and Perfectionism. Andrews University, 1975.
MLA aipamenaLa Rondelle, H. K. Perfection and Perfectionism. Andrews University, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.