Cita APA

Whaley, D. J. (1999). Problems and materials on payment law (5th ed.). Gaithersburg, Md.: Aspen Law & Business.

Chicago Style Citation

Whaley, Douglas J. Problems and Materials On Payment Law. 5th ed. Gaithersburg, Md.: Aspen Law & Business, 1999.

Cita MLA

Whaley, Douglas J. Problems and Materials On Payment Law. 5th ed. Gaithersburg, Md.: Aspen Law & Business, 1999.