Haak, J. R. (1970). Goal determination and the under-graduate library. California University Library, Educational Resources Information Center.
Chicago-Zitierstil (17. Ausg.)Haak, John R. Goal Determination and the Under-graduate Library. San Diego : Washington: California University Library, Educational Resources Information Center, 1970.
MLA-Zitierstil (8. Ausg.)Haak, John R. Goal Determination and the Under-graduate Library. California University Library, Educational Resources Information Center, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.