Merriman, T. (1952). American civil engineer's handbook (5th ed., 14th print.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleMerriman, Thaddeus. American Civil Engineer's Handbook. 5th ed., 14th print. New York: John Wiley & Sons, 1952.
Παραπομπή MLAMerriman, Thaddeus. American Civil Engineer's Handbook. 5th ed., 14th print. New York: John Wiley & Sons, 1952.
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