Παραπομπή APA

English language services. (1967). Special English: Engineering: Civil and mechanical engineering. New York: MacMillan.

Παραπομπή Chicago Style

English language services. Special English: Engineering: Civil and Mechanical Engineering. New York: MacMillan, 1967.

Παραπομπή MLA

English language services. Special English: Engineering: Civil and Mechanical Engineering. New York: MacMillan, 1967.

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