APA-ийн эшлэл(7 дахь хэвлэлт)

Geiger, W. E. (1978). Phytonymic derivational systems in the Romance languages: Studies in their origin and development. U.N.C. Dept. of Romance Languages.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Geiger, Walter E. Phytonymic Derivational Systems in the Romance Languages: Studies in Their Origin and Development. Chapel Hill: U.N.C. Dept. of Romance Languages, 1978.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Geiger, Walter E. Phytonymic Derivational Systems in the Romance Languages: Studies in Their Origin and Development. U.N.C. Dept. of Romance Languages, 1978.