Williams I. Ivor. (2007). English for Science and Engineering. Teacher"s Resource Book. Heinle, Thomson, 2007.
Citazione stile Chigago Style (17a edizione)Williams I. Ivor. English for Science and Engineering. Teacher"s Resource Book. Heinle, Thomson, 2007, 2007.
Citatione MLA (9a ed.)Williams I. Ivor. English for Science and Engineering. Teacher"s Resource Book. Heinle, Thomson, 2007, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.