APA način citiranja

Robertson, J. H., & Woodend, B. (1993). Negative cytology preceding cervical cancer: Causes and prevention.

Čikaški stil citiranja

Robertson, J H., i B. Woodend. Negative Cytology Preceding Cervical Cancer: Causes and Prevention. 1993.

MLA način citiranja

Robertson, J H., i B. Woodend. Negative Cytology Preceding Cervical Cancer: Causes and Prevention. 1993.

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