Παραπομπή σε μορφή APA (7η εκδ.)

LITTLEFIELD, G. L. (1974). Office And Administrative Management System Analysis, Data Prosesing, And Office Service G. L. Littlefield, Frank M. Rachel, Donald L. Garuth. Prentice-Hall of India Private.

Παραπομπή σε μορφή Chicago (17η εκδ.)

LITTLEFIELD, G. L. Office And Administrative Management System Analysis, Data Prosesing, And Office Service G. L. Littlefield, Frank M. Rachel, Donald L. Garuth. Prentice-Hall of India Private, 1974.

Παραπομπή σε μορφή MLA (8th εκδ.)

LITTLEFIELD, G. L. Office And Administrative Management System Analysis, Data Prosesing, And Office Service G. L. Littlefield, Frank M. Rachel, Donald L. Garuth. Prentice-Hall of India Private, 1974.