The readings in the economics of taxation
American Economic Association
George Allen and Unwin, 1959
 Buku Teks
Daughterty, Caroll R.
Principles of political economy : volume II
Houghton Mifflin, 1950
 Buku Teks
Advances in taxation
edited by John Hasseldine
Emerald, 2017
 eBooks
Daugherty, Carroll R.
Principles of political economy / Carroll R. Daugherty and Marion R. Daugherty
Houghton Miffiln, 1950
 Buku Teks
Mill, John Stuart
Principles of political economy with some of their applications to social philosophy / by John Stuart Mill
Colonial Press, 1898
 Buku Klasik