Dyfyniad APA

Singapore. Dept. of Statistics. (1980). Singapore standard occupational classification, 1978. Dept. of Statistics.

Dyfyniad Arddull Chicago

Singapore. Dept. of Statistics. Singapore Standard Occupational Classification, 1978. Singapore: Dept. of Statistics, 1980.

Dyfyniad MLA

Singapore. Dept. of Statistics. Singapore Standard Occupational Classification, 1978. Dept. of Statistics, 1980.

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