Citazione APA

South Africa. Dept. of Health. (1979). Healthy teeth: Colouring-in book. Dept. of Health.

Stile di citazione Chicago

South Africa. Dept. of Health. Healthy Teeth: Colouring-in Book. Pretoria: Dept. of Health, 1979.

Citazione MLA

South Africa. Dept. of Health. Healthy Teeth: Colouring-in Book. Dept. of Health, 1979.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.