APA (7. basım) Alıntı

Spencer, L. M. (1993). Competence at Work (11th.). McGraw-Hill.

Chicago Style (17. basım) Atıf

Spencer, Lyle M. Competence at Work. 11th. Singapore: McGraw-Hill, 1993.

MLA (9th ed.) Atıf

Spencer, Lyle M. Competence at Work. 11th. McGraw-Hill, 1993.