APA (7e ed.) Bronvermelding

Johnson, S. (1987). One minute for myself: How to manage your most valuable asset. Avon Books.

Chicago (17e ed.) Bronvermelding

Johnson, Spencer. One Minute for Myself: How to Manage Your Most Valuable Asset. New York: Avon Books, 1987.

MLA (9e ed.) Bronvermelding

Johnson, Spencer. One Minute for Myself: How to Manage Your Most Valuable Asset. Avon Books, 1987.