Cita APA (7a ed.)

EDWARD, J. (1992). Paradox 4 Made Easy. McGraw-Hill.

Cita Chicago Style (17a ed.)

EDWARD, JONES. Paradox 4 Made Easy. McGraw-Hill, 1992.

Cita MLA (8a ed.)

EDWARD, JONES. Paradox 4 Made Easy. McGraw-Hill, 1992.