(1980). Concrete tips. [s.n.].
Chicago Style (17th ed.) CitationConcrete Tips. [s.l.]: [s.n.], 1980.
MLA (9th ed.) CitationConcrete Tips. [s.n.], 1980.
Warning: These citations may not always be 100% accurate.
(1980). Concrete tips. [s.n.].
Chicago Style (17th ed.) CitationConcrete Tips. [s.l.]: [s.n.], 1980.
MLA (9th ed.) CitationConcrete Tips. [s.n.], 1980.