Horst, R. K. (1983). Compendium of rose diseases. APS.
Chicago Style (17th ed.) CitationHorst, Ralph Kenneth. Compendium of Rose Diseases. Saint Paul: APS, 1983.
MLA (9th ed.) CitationHorst, Ralph Kenneth. Compendium of Rose Diseases. APS, 1983.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.