APA-viite

Clark, J. R., Hemery, G., & Savill, P. Early growth and form of common walnut (Juglans regia L.) in mixture with tree and shrub nurse species in southern England.

Chicago-tyylinen lähdeviittaus

Clark, J. R., G.E Hemery, ja P.S Savill. Early Growth and Form of Common Walnut (Juglans Regia L.) in Mixture With Tree and Shrub Nurse Species in Southern England.

MLA-viite

Clark, J. R., G.E Hemery, ja P.S Savill. Early Growth and Form of Common Walnut (Juglans Regia L.) in Mixture With Tree and Shrub Nurse Species in Southern England.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.