APA ציטוט

Florkin, M., & Scheer, B. T. Chemical zoology: :(Vol.4) Annelida, Echiura and sipuncula.

Chicago Edition Citation

Florkin, Marcel, and Bradley T. Scheer. Chemical Zoology: :(Vol.4) Annelida, Echiura and Sipuncula.

ציטוט MLA

Florkin, Marcel, and Bradley T. Scheer. Chemical Zoology: :(Vol.4) Annelida, Echiura and Sipuncula.