APA (7e ed.) Bronvermelding

Layman, C. S. (2002). The power of logic (2nd ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Layman, Charles S. The Power of Logic. 2nd ed. Boston: McGraw-Hill, 2002.

MLA (9e ed.) Bronvermelding

Layman, Charles S. The Power of Logic. 2nd ed. McGraw-Hill, 2002.