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.

Porter, 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.

Porter, 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.