Goscinny, R., Sempé, J., & Agirre, R. (1982). Nikolas txiki-ren errekreoak. Elkar.
Chicago Style (17th ed.) CitationGoscinny, René, Jean-Jacques Sempé, and Ramón Agirre. Nikolas Txiki-ren Errekreoak. Donostia: Elkar, 1982.
MLA (9th ed.) CitationGoscinny, René, et al. Nikolas Txiki-ren Errekreoak. Elkar, 1982.
Warning: These citations may not always be 100% accurate.