Haanel, Charles F. (Charles Francis), b. 1866; Agoeng Widyatmoko; Yuniasari Shinta Dewi. (2012). The master key system / Charles F. Haanel ; editor Bahasa indonesia, Agoeng Widyatmoko, Yuniasari Shinta Dewi. Jakarta :: AW Publishing,.
Haanel, Charles F. (Charles Francis), b. 1866; Agoeng Widyatmoko; Yuniasari Shinta Dewi. The master key system / Charles F. Haanel ; editor Bahasa indonesia, Agoeng Widyatmoko, Yuniasari Shinta Dewi. Jakarta :: AW Publishing,, 2012
Haanel, Charles F. (Charles Francis), b. 1866; Agoeng Widyatmoko; Yuniasari Shinta Dewi. The master key system / Charles F. Haanel ; editor Bahasa indonesia, Agoeng Widyatmoko, Yuniasari Shinta Dewi. Jakarta :: AW Publishing,, 2012.