Cita APA (7th ed.)

HENRY, S. (1969). Elementary mathematical economics. Routledge & Kegan Paul.

Cita Chicago (17th ed.)

HENRY, S.G.B. Elementary Mathematical Economics. London: Routledge & Kegan Paul, 1969.

Cita MLA (9th ed.)

HENRY, S.G.B. Elementary Mathematical Economics. Routledge & Kegan Paul, 1969.