APA-ийн эшлэл(7 дахь хэвлэлт)

ROBERTS, K. H. (1980). New directions for methodology of social and behavioralscience: Issues in aggregation. Jossey-Bass.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ROBERTS, Karlene H. New Directions for Methodology of Social and Behavioralscience: Issues in Aggregation. San Francisco: Jossey-Bass, 1980.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ROBERTS, Karlene H. New Directions for Methodology of Social and Behavioralscience: Issues in Aggregation. Jossey-Bass, 1980.