Παραπομπή APA

(1964). Undreground heat distribution systems (2nd ed., revised.). Washington, D.C: National Academy of Sciences-National Research Council.

Παραπομπή Chicago Style

Undreground Heat Distribution Systems. 2nd ed., revised. Washington, D.C: National Academy of Sciences-National Research Council, 1964.

Παραπομπή MLA

Undreground Heat Distribution Systems. 2nd ed., revised. Washington, D.C: National Academy of Sciences-National Research Council, 1964.

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