Dyfyniad APA

South Africa. Dept. of Health. (1978). Tuck shops at schools. [Dept. of Health].

Dyfyniad Arddull Chicago

South Africa. Dept. of Health. Tuck Shops at Schools. Pretoria: [Dept. of Health], 1978.

Dyfyniad MLA

South Africa. Dept. of Health. Tuck Shops at Schools. [Dept. of Health], 1978.

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