Navarra, J. G. (1967). Today's basic science: The atom and the earth. California State Dept. of Education.
Chicago-referens (17:e uppl.)Navarra, John Gabriel. Today's Basic Science: The Atom and the Earth. Sacramento: California State Dept. of Education, 1967.
MLA-referens (9:e uppl.)Navarra, John Gabriel. Today's Basic Science: The Atom and the Earth. California State Dept. of Education, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.