Weichert, Charles K.
McGraw-Hill, 1953
Buku Teks
Weichert, Charles K.
McGraw-Hill, 1984
Buku Teks
Lee, John A.N.
Van Nostrand Reinhold, 1967
Buku Teks SO
Scott-Conner, Carol E. H.
J.B. Lippincott Company, 1993
Buku Referensi
Crang, Richard
McGraw-Hill , 2003
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