Παραπομπή APA

Tree, D. R. (1990). Preprints of the 1990 USNC/IIR-Purdue Refrigeration Conference and the 1990 ASHRAE-Purdue CFC Conference. West Lafayette, IN.: Ray W.Herrick.

Παραπομπή Chicago Style

Tree, David R. Preprints of the 1990 USNC/IIR-Purdue Refrigeration Conference and the 1990 ASHRAE-Purdue CFC Conference. West Lafayette, IN.: Ray W.Herrick, 1990.

Παραπομπή MLA

Tree, David R. Preprints of the 1990 USNC/IIR-Purdue Refrigeration Conference and the 1990 ASHRAE-Purdue CFC Conference. West Lafayette, IN.: Ray W.Herrick, 1990.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.