Cita APA (7th ed.)
IPS group of education development center. (1969). College introductory physical science. Prentice Hall.
Cita Chicago (17th ed.)
IPS group of education development center. College Introductory Physical Science. Englewood Cliffs: Prentice Hall, 1969.
Cita MLA (9th ed.)
IPS group of education development center. College Introductory Physical Science. Prentice Hall, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.