Hein, M. (1993). College chemistry: An introduction to general, organic, and biochemistry (5th ed.). Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Hein, Morris. College Chemistry: An Introduction to General, Organic, and Biochemistry. 5th ed. Pacific Grove, Calif: Brooks/Cole, 1993.
Lua MLA (9ú heag.)Hein, Morris. College Chemistry: An Introduction to General, Organic, and Biochemistry. 5th ed. Brooks/Cole, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.