APA (7e ed.) Bronvermelding

Howard, R., & Robert Howard. (1980). Performance in a world of change: Perspective. U. Pr. of America.

Chicago (17e ed.) Bronvermelding

Howard, Robert, en Robert Howard. Performance in a World of Change: Perspective. Lanham: U. Pr. of America, 1980.

MLA (9e ed.) Bronvermelding

Howard, Robert, en Robert Howard. Performance in a World of Change: Perspective. U. Pr. of America, 1980.