एपीए उद्धरण

Kolanowska, M. (2014). Notes on Costa Rican Pterichis (Orchidaceae) – new taxa and additions to national orchid flora.

शिकागो स्टाइल उद्धरण

Kolanowska, Marta. Notes On Costa Rican Pterichis (Orchidaceae) – New Taxa and Additions to National Orchid Flora. 2014.

एमएलए उद्धरण

Kolanowska, Marta. Notes On Costa Rican Pterichis (Orchidaceae) – New Taxa and Additions to National Orchid Flora. 2014.