APA

Ramos K. S., Melo G. a. R., . (2008). Phylogeny and biogeography of bee genus Parapsaenythia -Apidae, Protandrenini- in the chacoan subregion of South America. : .

Chicago

Ramos Kelli S, Melo Gabriel a R, . 2008. Phylogeny and biogeography of bee genus Parapsaenythia -Apidae, Protandrenini- in the chacoan subregion of South America. : .

Harvard

Ramos K. S., Melo G. a. R., . (2008). Phylogeny and biogeography of bee genus Parapsaenythia -Apidae, Protandrenini- in the chacoan subregion of South America. : .

MLA

Ramos Kelli S, Melo Gabriel a R, . Phylogeny and biogeography of bee genus Parapsaenythia -Apidae, Protandrenini- in the chacoan subregion of South America. : . 2008.