Walpole, B. (1997). Macmillan Revised ENCYCLOPEDIA of SCIENCE Body and Health. Macmillan Reference.
Cita Chicago Style (17a ed.)Walpole, Brenda. Macmillan Revised ENCYCLOPEDIA of SCIENCE Body and Health. Macmillan Reference, 1997.
Cita MLA (8a ed.)Walpole, Brenda. Macmillan Revised ENCYCLOPEDIA of SCIENCE Body and Health. Macmillan Reference, 1997.
Precaución: Estas citas no son 100% exactas.