APA

(1966). the medical directory 1966. london: h . k . lewis & co . ltd،.

Chicago

1966. the medical directory 1966. london: h . k . lewis & co . ltd،.

Harvard

(1966). the medical directory 1966. london: h . k . lewis & co . ltd،.

MLA

the medical directory 1966. london: h . k . lewis & co . ltd،. 1966.