Dyfyniad APA

Ruff, H. J. (1978). How to prosper during the coming bad years: A crash course in personal and financial survival. New York: Times Books.

Dyfyniad Arddull Chicago

Ruff, Howard J. How to Prosper During the Coming Bad Years: A Crash Course in Personal and Financial Survival. New York: Times Books, 1978.

Dyfyniad MLA

Ruff, Howard J. How to Prosper During the Coming Bad Years: A Crash Course in Personal and Financial Survival. New York: Times Books, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.