Gifford, William C., author
Tax Management, 1974
Buku Teks
Spitz, Barry
Butterworth, 1972
Buku Teks
Helminen, Marjaana, author
Wolters Kluwer Law & Business, 2010
Buku Referensi
Helminen, Marjaana, author
Wolters Kluwer, 2010
Buku Teks
Cook, Peter, author
Academy Editions, 1996
Buku Teks