Williams, B., & Kramer, J. Native ecuadorian orchids: Rodriguezia-zygosepalum.
Chicagoスタイル(17版)引用形式Williams, Brian, , Jack Kramer. Native Ecuadorian Orchids: Rodriguezia-zygosepalum.
MLA(8版)引用形式Williams, Brian, , Jack Kramer. Native Ecuadorian Orchids: Rodriguezia-zygosepalum.
警告: この引用は必ずしも正確ではありません.