National Conference on UNESCO, 13th, San Francisco, 1969, United States National Commission for the United Nations Educational, Scientific and Cultural Organization, & Johnson, H. D. (1970). No deposit--no return. Man and his environment: A view toward survival. Addison-Wesley Pub.
Chicago-viite (17. p.)National Conference on UNESCO, 13th, San Francisco, 1969, Scientific and Cultural Organization United States National Commission for the United Nations Educational, ja Huey D. Johnson. No Deposit--no Return. Man and His Environment: A View Toward Survival. Reading, Mass: Addison-Wesley Pub, 1970.
MLA-viite (9. p.)National Conference on UNESCO, 13th, San Francisco, 1969, et al. No Deposit--no Return. Man and His Environment: A View Toward Survival. Addison-Wesley Pub, 1970.