Dwyer, T. A., & Critchfield, M. (1985). Instructor's manual for Basic: A guide to structured programming. Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Dwyer, Thomas A., agus Margot Critchfield. Instructor's Manual for Basic: A Guide to Structured Programming. Boston: Houghton Mifflin, 1985.
Lua MLA (9ú heag.)Dwyer, Thomas A., agus Margot Critchfield. Instructor's Manual for Basic: A Guide to Structured Programming. Houghton Mifflin, 1985.
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