Dyfyniad APA

IPS group of education development center. (1969). College introductory physical science. Prentice Hall.

Dyfyniad Arddull Chicago

IPS group of education development center. College Introductory Physical Science. Englewood Cliffs: Prentice Hall, 1969.

Dyfyniad MLA

IPS group of education development center. College Introductory Physical Science. Prentice Hall, 1969.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.