Guest, A. (1972). Advanced Practical Geography: A course for sixth forms and colleges. Heinemann Educational Publishers.
Cita Chicago (17th ed.)Guest, Arthur. Advanced Practical Geography: A Course for Sixth Forms and Colleges. London: Heinemann Educational Publishers, 1972.
Cita MLA (9th ed.)Guest, Arthur. Advanced Practical Geography: A Course for Sixth Forms and Colleges. Heinemann Educational Publishers, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.