Carrera-Campos, M. (2006). Crocodiles as a rivals of crabs. Universidad Autónoma de Tamaulipas.
Čikaški stil citiranja (17. izdanje)Carrera-Campos, Manuel. Crocodiles as a Rivals of Crabs. Universidad Autónoma de Tamaulipas, 2006.
MLA način citiranja (8. izdanje)Carrera-Campos, Manuel. Crocodiles as a Rivals of Crabs. Universidad Autónoma de Tamaulipas, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.
