APA (7th ed.) Zitazioa

Wilson, E., & Petts, V. (1987). Oxford: Words and watercolours (1a. ed.). Shepheard-Walwyn.

Chicago Style (17th ed.) Zitazioa

Wilson, Eliane, eta Valerie Petts. Oxford: Words and Watercolours. 1a. ed. Londres: Shepheard-Walwyn, 1987.

MLA (9th ed.) Zitazioa

Wilson, Eliane, eta Valerie Petts. Oxford: Words and Watercolours. 1a. ed. Shepheard-Walwyn, 1987.