APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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