Ōzawa, A., Funayama, Y., & Kitamura, N. (1971). Kawashiri chiiki no chishitsu. Chiiki chishitsu kenkyū hōkōku : Akita (6) 41.
Chicago Style aipamenaŌzawa, Atsushi, Yūshi Funayama, and Nobu Kitamura. "Kawashiri Chiiki No Chishitsu." Chiiki Chishitsu Kenkyū Hōkōku : Akita (6) 41 1971.
MLA aipamenaŌzawa, Atsushi, Yūshi Funayama, and Nobu Kitamura. "Kawashiri Chiiki No Chishitsu." Chiiki Chishitsu Kenkyū Hōkōku : Akita (6) 41 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.