APA-ийн эшлэл(7 дахь хэвлэлт)
Wilcox, R. T. (2008). Whatever happened to thrift?: Why Americans don't save and what to do about it. Yale University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Wilcox, Ronald T. Whatever Happened to Thrift?: Why Americans Don't Save and What to Do About It. New Haven: Yale University Press, 2008.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Wilcox, Ronald T. Whatever Happened to Thrift?: Why Americans Don't Save and What to Do About It. Yale University Press, 2008.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.