Dyfyniad APA

Singapore. Dept. of Statistics. (1987). Singapore statistical charts. Dept. of Statistics.

Dyfyniad Arddull Chicago

Singapore. Dept. of Statistics. Singapore Statistical Charts. Singapore: Dept. of Statistics, 1987.

Dyfyniad MLA

Singapore. Dept. of Statistics. Singapore Statistical Charts. Dept. of Statistics, 1987.

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