(2012). Part 6: Additional reguirements for buried piping. 2012.
Chicago Style (17th ed.) CitationPart 6: Additional Reguirements for Buried Piping. 2012, 2012.
MLA (9th ed.) CitationPart 6: Additional Reguirements for Buried Piping. 2012, 2012.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.