APA

Morris D. L., Richards K. S., . (1992). Hydatid disease. Oxford: Butterworth Heinemann.

Chicago

Morris David L, Richards K Sylvia, . 1992. Hydatid disease. Oxford: Butterworth Heinemann.

Harvard

Morris D. L., Richards K. S., . (1992). Hydatid disease. Oxford: Butterworth Heinemann.

MLA

Morris David L, Richards K Sylvia, . Hydatid disease. Oxford: Butterworth Heinemann. 1992.