APA aipamena

Zonneveld, M. v., & Solano, W. (2016). Coffea eugenioides S. Moore and Coffea stenophylla G. Don: Distribution, botany, agronomic traits and growing areas.

Chicago Style aipamena

Zonneveld, Maarten van, y William Solano. Coffea Eugenioides S. Moore and Coffea Stenophylla G. Don: Distribution, Botany, Agronomic Traits and Growing Areas. 2016.

MLA aipamena

Zonneveld, Maarten van, y William Solano. Coffea Eugenioides S. Moore and Coffea Stenophylla G. Don: Distribution, Botany, Agronomic Traits and Growing Areas. 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.