Cita APA (7th ed.)

Allen, M., Gillespie, R., & Tellejohn Hayes, P. Essential thechnique 2000: For strings a comprehensive string method.

Cita Chicago (17th ed.)

Allen, Michael, Robert Gillespie, i Pamela Tellejohn Hayes. Essential Thechnique 2000: For Strings a Comprehensive String Method.

Cita MLA (8th ed.)

Allen, Michael, et al. Essential Thechnique 2000: For Strings a Comprehensive String Method.