(2000). National Assessment of Educational Progress 1987 High School Transcript Study / United States Department of Education. National Center for Education Statistics. [electronic resource].
Cytowanie według stylu Chicago (wyd. 17)National Assessment of Educational Progress 1987 High School Transcript Study / United States Department of Education. National Center for Education Statistics. [electronic Resource]. 2000.
Cytowanie według stylu MLA (wyd. 9)National Assessment of Educational Progress 1987 High School Transcript Study / United States Department of Education. National Center for Education Statistics. [electronic Resource]. 2000.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..