Cita APA (7a ed.)

Keller Gerald. (2012). Managerial Statistics (9th.). cengage learning.

Cita Chicago Style (17a ed.)

Keller Gerald. Managerial Statistics. 9th. Delhi: cengage learning, 2012.

Cita MLA (9a ed.)

Keller Gerald. Managerial Statistics. 9th. cengage learning, 2012.