Bittker, Boris I.
Warren, Gorham and Lamont, 1972
Buku Teks SO
Bittker, Boris I.
Warren,Gorham and Lamont, 1978
Buku Teks SO
Bittker, Boris I.
Federal Tax Press, 1966
Buku Teks SO
Bittker, Boris I.
Warren, Gorham and Lamont, 1971
Buku Teks SO
Gaa, Charles J.
McGraw-Hill , 1965
Buku Referensi