(1980). № 3, 10, 11, 14, 17, 19-23, 26-31, 33-35, 37, 38, 40, 43-46, 51, 55, 59, 61. 1980.
Cita Chicago Style (17a ed.)№ 3, 10, 11, 14, 17, 19-23, 26-31, 33-35, 37, 38, 40, 43-46, 51, 55, 59, 61. 1980, 1980.
Cita MLA (9a ed.)№ 3, 10, 11, 14, 17, 19-23, 26-31, 33-35, 37, 38, 40, 43-46, 51, 55, 59, 61. 1980, 1980.
Precaución: Estas citas no son 100% exactas.