APA aipamena

Olmstead. Gardening with Native Plants of the Pacific Northwest. University of Washington Press.

Chicago Style aipamena

Olmstead. Gardening with Native Plants of the Pacific Northwest. University of Washington Press.

MLA aipamena

Olmstead. Gardening with Native Plants of the Pacific Northwest. University of Washington Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.