Παραπομπή σε μορφή APA (7η εκδ.)

Greenhalgh, C., Gregory, M., & Ray, A. (1989). The changing structure of UK production, trade and employment: An analysis using input output tables 1974-84.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Greenhalgh, C., M. Gregory, και A. Ray. The Changing Structure of UK Production, Trade and Employment: An Analysis Using Input Output Tables 1974-84. 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Greenhalgh, C., et al. The Changing Structure of UK Production, Trade and Employment: An Analysis Using Input Output Tables 1974-84. 1989.