APA-ийн эшлэл(7 дахь хэвлэлт)

Cushman, J. A. (1948). Foraminifera: Their classification and economic use (4th ed., rev. and enl.). Harvard University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4th ed., rev. and enl. Cambridge, Mass.: Harvard University Press, 1948.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Cushman, Joseph A. Foraminifera: Their Classification and Economic Use. 4th ed., rev. and enl. Harvard University Press, 1948.