Gordon, V. N., & Sears, S. J. (1997). Academic alternatives: Exploration and decision making (4th ed.). Gorsuch Scarisbrick.
Lua i Stíl Chicago (17ú heag.)Gordon, Virginia N., agus Susan Jones Sears. Academic Alternatives: Exploration and Decision Making. 4th ed. Scottsdale, Ariz: Gorsuch Scarisbrick, 1997.
Lua MLA (9ú heag.)Gordon, Virginia N., agus Susan Jones Sears. Academic Alternatives: Exploration and Decision Making. 4th ed. Gorsuch Scarisbrick, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.