Dyfyniad APA

Fahrner, W. F. (1965). Basic rules of alphabetic filing Programmed instruction. SouthWestern.

Dyfyniad Arddull Chicago

Fahrner, William F. Basic Rules of Alphabetic Filing Programmed Instruction. SouthWestern, 1965.

Dyfyniad MLA

Fahrner, William F. Basic Rules of Alphabetic Filing Programmed Instruction. SouthWestern, 1965.

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