APA način citiranja

Walters, T., & Osborne, R. Cycad classification: Concepts and recommendations.

Čikaški stil citiranja

Walters, Terrence, i Roy Osborne. Cycad Classification: Concepts and Recommendations.

MLA način citiranja

Walters, Terrence, i Roy Osborne. Cycad Classification: Concepts and Recommendations.

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