Cooper, T., Morain, G., & Kalivoda, T. (1980). Sentence combining in second language instruction. Center for Applied Linguistics.
Citazione stile Chigago Style (17a edizione)Cooper, Thomas, Genelle Morain, e Theodore Kalivoda. Sentence Combining in Second Language Instruction. Washington, DC: Center for Applied Linguistics, 1980.
Citatione MLA (9a ed.)Cooper, Thomas, et al. Sentence Combining in Second Language Instruction. Center for Applied Linguistics, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.