Cita APA (7a ed.)

SCHUMACHER E F. (1979). GOOD WORK. ABACUS PRESS.

Cita Chicago Style (17a ed.)

SCHUMACHER E F. GOOD WORK. LONDON: ABACUS PRESS, 1979.

Cita MLA (9a ed.)

SCHUMACHER E F. GOOD WORK. ABACUS PRESS, 1979.