Griffin, G. G. (2011). Steps for Evaluating a Fifth Grade Science Collection.
Citazione stile Chigago Style (17a edizione)Griffin, Gail Guidry. Steps for Evaluating a Fifth Grade Science Collection. 2011.
Citatione MLA (9a ed.)Griffin, Gail Guidry. Steps for Evaluating a Fifth Grade Science Collection. 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.