APA
National Association of Accountants (. Y., National Association of Accountants (. Y., . (1960). Separating and using costs as fixed and variablc. New York: National Association of Accountants U S A.
Chicago
National Association of Accountants (New York), National Association of Accountants (New York), . 1960. Separating and using costs as fixed and variablc. New York: National Association of Accountants U S A.
Harvard
National Association of Accountants (. Y., National Association of Accountants (. Y., . (1960). Separating and using costs as fixed and variablc. New York: National Association of Accountants U S A.
MLA
National Association of Accountants (New York), National Association of Accountants (New York), . Separating and using costs as fixed and variablc. New York: National Association of Accountants U S A. 1960.
