Fuller, H. R., Wasell, F. F., & Crowell, T. L. (1969). Advanced english exercises: A practice book for advanced students. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Fuller, Helene R., Florence F. Wasell, e Thomas Lee Crowell. Advanced English Exercises: A Practice Book for Advanced Students. Nueva York: McGraw-Hill, 1969.
Citatione MLA (9a ed.)Fuller, Helene R., et al. Advanced English Exercises: A Practice Book for Advanced Students. McGraw-Hill, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.