Cita APA (7th ed.)

Packman, R. (1965). A guide to the business world: With summaries. Longman.

Cita Chicago (17th ed.)

Packman, Ronald. A Guide to the Business World: With Summaries. London: Longman, 1965.

Cita MLA (9th ed.)

Packman, Ronald. A Guide to the Business World: With Summaries. Longman, 1965.