Fraenkel, J. R., Kane, F. T., & Wolf, A. (1997). Civics - government and citizenship: Teacher's guide and resource book (Teacher's guide and resource book.). Prentice Hall.
Citazione stile Chigago Style (17a edizione)Fraenkel, Jack R., Frank T. Kane, e Alvin Wolf. Civics - Government and Citizenship: Teacher's Guide and Resource Book. Teacher's guide and resource book. Needham, Mass. [u.a.]: Prentice Hall, 1997.
Citatione MLA (9a ed.)Fraenkel, Jack R., et al. Civics - Government and Citizenship: Teacher's Guide and Resource Book. Teacher's guide and resource book. Prentice Hall, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.