Pulkka, I., tiedekunta, H., Humanities, F. o., laitos, K., Languages, D. o., Jyväskylä, U. o., & yliopisto, J. (1999). Vocabulary knowledge and vocabulary testing: The pupils' vocabulary knowledge after two years' study of English in a Finnish comprehensive school.
Chicago-viite (17. p.)Pulkka, Inga-Maarit, Humanistinen tiedekunta, Faculty of Humanities, Kielten laitos, Department of Languages, University of Jyväskylä, ja Jyväskylän yliopisto. Vocabulary Knowledge and Vocabulary Testing: The Pupils' Vocabulary Knowledge After Two Years' Study of English in a Finnish Comprehensive School. 1999.
MLA-viite (9. p.)Pulkka, Inga-Maarit, et al. Vocabulary Knowledge and Vocabulary Testing: The Pupils' Vocabulary Knowledge After Two Years' Study of English in a Finnish Comprehensive School. 1999.