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.
Chicago (17e ed.) Bronvermelding克瑞斯普 en 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.
MLA (8e ed.) Bronvermelding克瑞斯普 en 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.
Let op: Deze citaties zijn niet altijd 100% accuraat.