Wallbank , W. T., & Taylor, A. M. (1949). Civilization: Past and present (4th ed.). Scott, Foresman and company.
Citazione stile Chigago Style (17a edizione)Wallbank , Walter T., e Alastair M. Taylor. Civilization: Past and Present. 4th ed. Chicago: Scott, Foresman and company, 1949.
Citatione MLA (9a ed.)Wallbank , Walter T., e Alastair M. Taylor. Civilization: Past and Present. 4th ed. Scott, Foresman and company, 1949.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.