Gaya APA
Godfrey, K. (1980).
Study Exercises In English for Special Purposes - Preventive Dentistry .
Sydney:
Departement Preventive Dentistry.
Gaya MLA
Godfrey, Keith.
"Study Exercises In English for Special Purposes - Preventive Dentistry".
Sydney:
Departement Preventive Dentistry,
1980.
Text.