Cita APA (7th ed.)

Johnson, R. (1990). Profits through people: How to develop your staff to give you more.

Cita Chicago (17th ed.)

Johnson, Ron. Profits Through People: How to Develop Your Staff to Give You More. London, hutchinson Ltd, 1990.

Cita MLA (9th ed.)

Johnson, Ron. Profits Through People: How to Develop Your Staff to Give You More. 1990.