Forman, D., Donoghue, F., Abbey, S., Cruden, B., & Kidd, I. (1990). Campus English: A problem-solving approach to study skills. Teacher's Book. MacMillan Publishers.
Citazione stile Chigago Style (17a edizione)Forman, David, Frank Donoghue, Susan Abbey, Bryan Cruden, e Ian Kidd. Campus English: A Problem-solving Approach to Study Skills. Teacher's Book. Londres: MacMillan Publishers, 1990.
Citatione MLA (9a ed.)Forman, David, et al. Campus English: A Problem-solving Approach to Study Skills. Teacher's Book. MacMillan Publishers, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.