Cita APA

Ginn and Company & Johnson, K. (1979). Ginn language program. Ginn.

Chicago Style (17th ed.) Citation

Ginn and Company i Ken Johnson. Ginn Language Program. Lexington, Mass.: Ginn, 1979.

Cita MLA

Ginn and Company i Ken Johnson. Ginn Language Program. Ginn, 1979.