APA način citiranja

Frankel, I., & Irene Frankel. (2008). Center stage 1: Grammar to communicate. White Plains, NY: Pearson Education.

Čikaški stil citiranja

Frankel, Irene, i Irene Frankel. Center Stage 1: Grammar to Communicate. White Plains, NY: Pearson Education, 2008.

MLA način citiranja

Frankel, Irene, i Irene Frankel. Center Stage 1: Grammar to Communicate. White Plains, NY: Pearson Education, 2008.

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