Crew, H. (1916). General physics: An elementary text-book for colleges (3d ed.). The Macmillan company.
Lua i Stíl Chicago (17ú heag.)Crew, Henry. General Physics: An Elementary Text-book for Colleges. 3d ed. New York: The Macmillan company, 1916.
Lua MLA (8ú heag.)Crew, Henry. General Physics: An Elementary Text-book for Colleges. 3d ed. The Macmillan company, 1916.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.