APA

Billing H., . (1981). Practical procedues for nurses. London: Bailliere tindall.

Chicago

Billing Hazel, . 1981. Practical procedues for nurses. London: Bailliere tindall.

Harvard

Billing H., . (1981). Practical procedues for nurses. London: Bailliere tindall.

MLA

Billing Hazel, . Practical procedues for nurses. London: Bailliere tindall. 1981.