Cita APA (7th ed.)

Harvard Student Agencies (Cambridge, Mass.). (1988). Let's go: The budget guide to Italy including Tunisia,1988. Harrap/Columbus Books.

Cita Chicago (17th ed.)

Harvard Student Agencies (Cambridge, Mass.). Let's Go: The Budget Guide to Italy Including Tunisia,1988. London: Harrap/Columbus Books, 1988.

Cita MLA (9th ed.)

Harvard Student Agencies (Cambridge, Mass.). Let's Go: The Budget Guide to Italy Including Tunisia,1988. Harrap/Columbus Books, 1988.