Dyfyniad APA

Bowles, C. (1971). Promises to keep: My years in public life, 1941-1969 ([1st ed.].). Harper & Row.

Dyfyniad Arddull Chicago

Bowles, Chester. Promises to Keep: My Years in Public Life, 1941-1969. [1st ed.]. New York: Harper & Row, 1971.

Dyfyniad MLA

Bowles, Chester. Promises to Keep: My Years in Public Life, 1941-1969. [1st ed.]. Harper & Row, 1971.

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