Cita APA

Langan, J., & John Langan. Reading and study skills. New York, NY: McGraw-Hill Higher Education.

Chicago Style Citation

Langan, John, i John Langan. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education.

Cita MLA

Langan, John, i John Langan. Reading and Study Skills. New York, NY: McGraw-Hill Higher Education.

Atenció: Aquestes cites poden no estar 100% correctes.