Merken, M. (1989). Physical Science with modern applications (4th.ed.). Saunders college.
Lua i Stíl Chicago (17ú heag.)Merken, Melvin. Physical Science with Modern Applications. 4th.ed. Philadelphia: Saunders college, 1989.
Lua MLA (9ú heag.)Merken, Melvin. Physical Science with Modern Applications. 4th.ed. Saunders college, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.