APA (7th ed.) Zitazioa

Wallwork Adrian. (2011). English for writing Research Papers. Springer.

Chicago Style (17th ed.) Zitazioa

Wallwork Adrian. English for Writing Research Papers. Newyork: Springer, 2011.

MLA (9th ed.) Zitazioa

Wallwork Adrian. English for Writing Research Papers. Springer, 2011.