Encyclopaedia Britannica. (1978). Trans-vision handbook of health. Encyclopaedia Britannica, Inc.
Cita Chicago (17th ed.)Encyclopaedia Britannica. Trans-vision Handbook of Health. Chicago: Encyclopaedia Britannica, Inc, 1978.
Cita MLA (9th ed.)Encyclopaedia Britannica. Trans-vision Handbook of Health. Encyclopaedia Britannica, Inc, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.