Alexander, C. (1941). How to locate educational information and data: A text and reference book (2nd ed., greatly rev., impr. and exp.). Columbia Univ..

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.

Alexander, Carter. How to Locate Educational Information and Data: A Text and Reference Book. 2nd ed., greatly rev., impr. and exp. Columbia Univ., 1941.