Cita APA (7th ed.)

O'Mahony, Peirce, & Tewari. (2001). Electronic payment systems for e-commerce (2nd ed.). Artech House.

Cita Chicago (17th ed.)

O'Mahony, Peirce, i Tewari. Electronic Payment Systems for E-commerce. 2nd ed. Boston,MA: Artech House, 2001.

Cita MLA (8th ed.)

O'Mahony, et al. Electronic Payment Systems for E-commerce. 2nd ed. Artech House, 2001.