APA

Toppin G., Czerniawska F., . (2005). Business consulting a guide to how it works and how to make it work. Londres (Inglaterra): Profile.

Chicago

Toppin Gilbert, Czerniawska Fiona, . 2005. Business consulting a guide to how it works and how to make it work. Londres (Inglaterra): Profile.

Harvard

Toppin G., Czerniawska F., . (2005). Business consulting a guide to how it works and how to make it work. Londres (Inglaterra): Profile.

MLA

Toppin Gilbert, Czerniawska Fiona, . Business consulting a guide to how it works and how to make it work. Londres (Inglaterra): Profile. 2005.