Dyfyniad APA

Cruz, R. A., & Villalobos, C. R. (1993). Shell length at sexual maturity and spawning cycle of Mytella guyanensis (Bivalvia: Mytilidae) from Costa Rica.

Dyfyniad Arddull Chicago

Cruz, Rafael A., y Carlos R. Villalobos. Shell Length At Sexual Maturity and Spawning Cycle of Mytella Guyanensis (Bivalvia: Mytilidae) From Costa Rica. 1993.

Dyfyniad MLA

Cruz, Rafael A., y Carlos R. Villalobos. Shell Length At Sexual Maturity and Spawning Cycle of Mytella Guyanensis (Bivalvia: Mytilidae) From Costa Rica. 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.