Dodson, . C. H., & Escobar R., R. Native ecuadorian orchids.
Cita Chicago (17th ed.)Dodson, Calaway H., i Rodrigo Escobar R. Native Ecuadorian Orchids.
Cita MLA (8th ed.)Dodson, Calaway H., i Rodrigo Escobar R. Native Ecuadorian Orchids.
Atenció: Aquestes cites poden no estar 100% correctes.