Hallowell, E. R. (1980). Cold and freezer storage manual (2a. ed.). Avi.
Cita Chicago (17th ed.)Hallowell, E. R. Cold and Freezer Storage Manual. 2a. ed. Westport: Avi, 1980.
Cita MLA (9th ed.)Hallowell, E. R. Cold and Freezer Storage Manual. 2a. ed. Avi, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.