Introduction to thermodynamics and the Zeroth law :
Internal energy and the first law of thermodynamics /
Prepared by a Course Team from the Faculties of Science and Technology.

APA Citation

Open University. (1973). Introduction to thermodynamics and the Zeroth law: Internal energy and the first law of thermodynamics. [Bletchley, Bucks]: Open University Press.

MLA Citation

Open University. Introduction to Thermodynamics And the Zeroth Law: Internal Energy And the First Law of Thermodynamics. [Bletchley, Bucks]: Open University Press, 1973.

Warning: These citations may not always be complete (especially for serials).