Cassel, D. (1986). BASIC and problem solving made easy. Prentice-Hall.
Dyfyniad Arddull ChicagoCassel, Don. BASIC and Problem Solving Made Easy. Englewood Cliffs, N.J.: Prentice-Hall, 1986.
Dyfyniad MLACassel, Don. BASIC and Problem Solving Made Easy. Prentice-Hall, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.