APA aipamena

Sierra, J., & Olaziregi, I. (1989). EIFE 2: Influence of factors on the learning of basque : study of the models A, B and D in fifth year Basic General Education / [egileak, J. Sierra, Ibon Olaziregi ; euskarazko bertsiotik itzulia] (1. ed.). Gasteiz: : Eusko Jaurlaritzaren Argitalpen Zerbitzu Nagusia.

Chicago Style aipamena

Sierra, Josu, and Ibon Olaziregi. EIFE 2: Influence of Factors On the Learning of Basque : Study of the Models A, B and D in Fifth Year Basic General Education / [egileak, J. Sierra, Ibon Olaziregi ; Euskarazko Bertsiotik Itzulia]. 1. ed. Gasteiz: : Eusko Jaurlaritzaren Argitalpen Zerbitzu Nagusia, 1989.

MLA aipamena

Sierra, Josu, and Ibon Olaziregi. EIFE 2: Influence of Factors On the Learning of Basque : Study of the Models A, B and D in Fifth Year Basic General Education / [egileak, J. Sierra, Ibon Olaziregi ; Euskarazko Bertsiotik Itzulia]. 1. ed. Gasteiz: : Eusko Jaurlaritzaren Argitalpen Zerbitzu Nagusia, 1989.