Não informado. (1969). Solid Wastes Management Refuse Removal Journal. Communication Channels.
Chicago-referens (17:e uppl.)Não informado. Solid Wastes Management Refuse Removal Journal. New York: Communication Channels, 1969.
MLA-referens (8:e uppl.)Não informado. Solid Wastes Management Refuse Removal Journal. Communication Channels, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.