Porter, S. (1980). Sylvia Porter's money book for the 80's: How to beat the high cost of living and use your earnings, credit, savings and investments to better your life. New York: Avon Books.
Trích dẫn kiểu ChicagoPorter, Sylvia. Sylvia Porter's Money Book for the 80's: How to Beat the High Cost of Living and Use Your Earnings, Credit, Savings and Investments to Better Your Life. New York: Avon Books, 1980.
Trích dẫn MLAPorter, Sylvia. Sylvia Porter's Money Book for the 80's: How to Beat the High Cost of Living and Use Your Earnings, Credit, Savings and Investments to Better Your Life. New York: Avon Books, 1980.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.