(ed.)1982The mental representation of grammatical relations. Cambridge, MA.: MIT Press.
Clahsen, H.
1984 “The acquisition of German word order: A test case for cognitive approaches to second language acquisition”. In: Andersen, R. (ed.), Second languages. Rowley, MA.
De Bot, K.
1992 “A bilingual production model: Levelt’s ‘speaking’ model adapted.” Applied Linguistics, 13 (1): 1–24.
Holmberg, A.; and Platzack, C.
1991 “On the role of inflection in Scandinavian syntax”. In Abraham, W.; Kosmeijer, W.; and Reuland, E. (eds), Issues in Germanic syntax 93–118. Berlin: Mouton de Gruyter.
Levelt, W. J. M.
1989Speaking. from intention to articulation. Cambridge, MA.: MIT Press.
Pienemann, M.
1984 “Psychological constraints on the teachability of languages”. Studies in Second Language Acquisition 6(2): 186–214.
Pienemann, M.; and Johnston, M.
1987 “Towards an explanatory model of of second language acquisition”. Paper given at the Interlanguage Conference, La Trobe University, Melbourne.