HAIDUK, H. P., & ROSS, P. W. (1991). Instructor's manual and key for increasing your produc-tivity with lotus release 2.2. Glencoe.
Dyfyniad Arddull ChicagoHAIDUK, H. Paul, and Paul W. ROSS. Instructor's Manual and Key for Increasing Your Produc-tivity with Lotus Release 2.2. Lake Forest: Glencoe, 1991.
Dyfyniad MLAHAIDUK, H. Paul, and Paul W. ROSS. Instructor's Manual and Key for Increasing Your Produc-tivity with Lotus Release 2.2. Glencoe, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.