Cita APA (7th ed.)

Berger, F. R. (1977). Studying deductive logic. Prentice-Hall.

Cita Chicago (17th ed.)

Berger, Fred R. Studying Deductive Logic. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

Cita MLA (9th ed.)

Berger, Fred R. Studying Deductive Logic. Prentice-Hall, 1977.