APA aipamena

(1990). Man and his environment: In harmony and in conflict. The Center for Humanities.

Chicago Style aipamena

Man and His Environment: In Harmony and in Conflict. [S.l.]: The Center for Humanities, 1990.

MLA aipamena

Man and His Environment: In Harmony and in Conflict. The Center for Humanities, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.