Cita APA (7th ed.)
Pile, J. (1969). Book of offices. Whitney.
Cita Chicago (17th ed.)
Pile, John. Book of Offices. New York: Whitney, 1969.
Cita MLA (9th ed.)
Pile, John. Book of Offices. Whitney, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.