克瑞斯普 & 程彦杰. (2006). 关爱老年痴呆病人: Keeping in touch with someone who has alzheimer's. 北京出版社.
Cita Chicago Style (17a ed.)克瑞斯普 y 程彦杰. 关爱老年痴呆病人: Keeping in Touch with Someone Who Has Alzheimer's. 北京出版社, 2006.
Cita MLA (8a ed.)克瑞斯普 y 程彦杰. 关爱老年痴呆病人: Keeping in Touch with Someone Who Has Alzheimer's. 北京出版社, 2006.
Precaución: Estas citas no son 100% exactas.