Dyfyniad APA

Heineman, E. R. (1950). Plane trigonometry with tables. McGraw-Hill.

Dyfyniad Arddull Chicago

Heineman, E. Richard. Plane Trigonometry with Tables. New York: McGraw-Hill, 1950.

Dyfyniad MLA

Heineman, E. Richard. Plane Trigonometry with Tables. McGraw-Hill, 1950.

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