Παραπομπή σε μορφή APA (7η εκδ.)

Stewart, N., & Church, J. M. (1992). Red data books of Britain and Ireland: Stoneworts. The Joint Nature Conservation Committe.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stewart, N.F, και James M. Church. Red Data Books of Britain and Ireland: Stoneworts. Peterborough: The Joint Nature Conservation Committe, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Stewart, N.F, και James M. Church. Red Data Books of Britain and Ireland: Stoneworts. The Joint Nature Conservation Committe, 1992.