Alexander, C. (1941). How to locate educational information and data: A text and reference book (2nd ed., greatly rev., impr. and exp.). Columbia Univ..
Παραπομπή σε μορφή Chicago (17η εκδ.)Alexander, Carter. How to Locate Educational Information and Data: A Text and Reference Book. 2nd ed., greatly rev., impr. and exp. New York: Columbia Univ., 1941.
Παραπομπή σε μορφή MLA (8th εκδ.)Alexander, Carter. How to Locate Educational Information and Data: A Text and Reference Book. 2nd ed., greatly rev., impr. and exp. Columbia Univ., 1941.
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