Cita APA (American Psychological Association)

Gaiker (Zamudio, Bizkaia), & Gaiker. (1993). Oldartu: : boletín externo. Gaiker, Technological Centre.

Citación Chicago Style

Gaiker (Zamudio, Bizkaia), and Gaiker. Oldartu: : Boletín Externo. Zamudio: Gaiker, Technological Centre, 1993.

Cita MLA (Modern Language Association of America)

Gaiker (Zamudio, Bizkaia), and Gaiker. Oldartu: : Boletín Externo. Gaiker, Technological Centre, 1993.