Παραπομπή σε μορφή APA (7η εκδ.)

Lansing, J. B., & Morgan, J. N. (1971). Economic survey methods. Survey Research Center, University of Michigan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lansing, John B., και James N. Morgan. Economic Survey Methods. Ann Arbor: Survey Research Center, University of Michigan, 1971.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lansing, John B., και James N. Morgan. Economic Survey Methods. Survey Research Center, University of Michigan, 1971.