Não informado. (1969). World surface coatings abstracts. Paint Research Association.
Cita Chicago Style (17a ed.)Não informado. World Surface Coatings Abstracts. London: Paint Research Association, 1969.
Cita MLA (8a ed.)Não informado. World Surface Coatings Abstracts. Paint Research Association, 1969.
Precaución: Estas citas no son 100% exactas.