APA aipamena

Napa, P. A. (1996). VOCABULARY DEVELOPMENT SKILLS. KANISIUS.

Chicago Style aipamena

Napa, Pieter A. VOCABULARY DEVELOPMENT SKILLS. KANISIUS, 1996.

MLA aipamena

Napa, Pieter A. VOCABULARY DEVELOPMENT SKILLS. KANISIUS, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.