savage, William W.
Scott Foresman & Co., 1968
Buku Teks
Frank, William W.
Macmillan, 1959
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Kautman, William W.
Harper & Row, 1964
Buku Teks
Andi Tenri Faradiba
2015
UI - Tesis (Membership)
Haney, William V.
Illinois : Richard D. Irwin Inc, 1979
Buku Teks