Dyfyniad APA

South Africa. Dept. of National Health and Population Development. (1987). Workbook on smoking: Standards 3-7. Dept. of National Health and Population Development.

Dyfyniad Arddull Chicago

South Africa. Dept. of National Health and Population Development. Workbook on Smoking: Standards 3-7. [Pretoria]: Dept. of National Health and Population Development, 1987.

Dyfyniad MLA

South Africa. Dept. of National Health and Population Development. Workbook on Smoking: Standards 3-7. Dept. of National Health and Population Development, 1987.

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