Krauskopf, K. B. (1959). Fundamentals of physical science (4th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Krauskopf, Konrad Bates. Fundamentals of Physical Science. 4th ed. New York: McGraw-Hill, 1959.
Lua MLA (9ú heag.)Krauskopf, Konrad Bates. Fundamentals of Physical Science. 4th ed. McGraw-Hill, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.