(1931). Refuse disposal in American cities: A report / compiled by the Civic development department, Chamber of commerce of the United States.
Chicago-viite (17. p.)Refuse Disposal in American Cities: A Report / Compiled by the Civic Development Department, Chamber of Commerce of the United States. 1931.
MLA-viite (9. p.)Refuse Disposal in American Cities: A Report / Compiled by the Civic Development Department, Chamber of Commerce of the United States. 1931.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.