Gupta
S.CHAND & COMPANY LTD., 1979
Buku Teks SO
Stoller, David S.
University of California Press, 1964
Buku Teks SO
Pangestu Subagyo
BPFE-UGM, 1989
Buku Teks SO
Hillier, Frederick S.
McGraw-Hill Education, 2015
Buku Teks SO
Hillier, Frederick S.
Andi Yogyakarta, 2008
Buku Teks SO