Allen, M., Gillespie, R., & Tellejohn Hayes, P. Essential thechnique 2000: For strings a comprehensive string method.
Čikaški stil citiranja (17. izdanje)Allen, Michael, Robert Gillespie, i Pamela Tellejohn Hayes. Essential Thechnique 2000: For Strings a Comprehensive String Method.
MLA način citiranja (8. izdanje)Allen, Michael, et al. Essential Thechnique 2000: For Strings a Comprehensive String Method.
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