Παραπομπή σε μορφή APA (7η εκδ.)

Blokland, J., & Somermeyer, W. H. (1970). Effects of family size and composition on family expenditure according to an allocation model. Econometric Inst., Netherlands School of Economics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Blokland, J., και W. H. Somermeyer. Effects of Family Size and Composition on Family Expenditure According to an Allocation Model. Rotterdam: Econometric Inst., Netherlands School of Economics, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Blokland, J., και W. H. Somermeyer. Effects of Family Size and Composition on Family Expenditure According to an Allocation Model. Econometric Inst., Netherlands School of Economics, 1970.