Dyfyniad APA

B S I. (1977). UDC 626/627 Hydraulic (water) construction works BS 1000(626/627): 1977. B S I.

Dyfyniad Arddull Chicago

B S I. UDC 626/627 Hydraulic (water) Construction Works BS 1000(626/627): 1977. London: B S I, 1977.

Dyfyniad MLA

B S I. UDC 626/627 Hydraulic (water) Construction Works BS 1000(626/627): 1977. B S I, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.