APA-viite

Freeman, E. (2017). Head first design patterns: : a brain-friendly guide. Shroff publishers & distributors.

Chicago-tyylinen lähdeviittaus

Freeman, Eric. Head First Design Patterns: : A Brain-friendly Guide. Banglore: Shroff publishers & distributors, 2017.

MLA-viite

Freeman, Eric. Head First Design Patterns: : A Brain-friendly Guide. Shroff publishers & distributors, 2017.