Tietueen sitaatit
APA-viiteAlderton, D., & Barrett, P. (2004). The illustrated encyclopedia of birds of the world: The ultimate identification guide to over 1600 birds, profiling habitat, nesting, behaviour and food. Lorenz.
Chicago-tyylinen lähdeviittausAlderton, David, ja Peter Barrett. The Illustrated Encyclopedia of Birds of the World: The Ultimate Identification Guide to over 1600 Birds, Profiling Habitat, Nesting, Behaviour and Food. London: Lorenz, 2004.
MLA-viiteAlderton, David, ja Peter Barrett. The Illustrated Encyclopedia of Birds of the World: The Ultimate Identification Guide to over 1600 Birds, Profiling Habitat, Nesting, Behaviour and Food. Lorenz, 2004.
Harvard-tyylinen lähdeviittausAlderton, D. & Barrett, P. 2004. The illustrated encyclopedia of birds of the world: The ultimate identification guide to over 1600 birds, profiling habitat, nesting, behaviour and food. London: Lorenz.