Cita APA (7a ed.)

Wille, E., & Hodgson, P. (1991). Making change work. Mercury.

Cita Chicago Style (17a ed.)

Wille, Edgar, y Phil Hodgson. Making Change Work. London: Mercury, 1991.

Cita MLA (9a ed.)

Wille, Edgar, y Phil Hodgson. Making Change Work. Mercury, 1991.