Παραπομπή σε μορφή APA (7η εκδ.)

WHITLEY RICHARD. (1992). EUROPEAN BUSINESS SYSTEMS: FIRMS AND MARKET IN THEIR NATIONAL CONTEXTS. SAGE PUBLICATIONS.

Παραπομπή σε μορφή Chicago (17η εκδ.)

WHITLEY RICHARD. EUROPEAN BUSINESS SYSTEMS: FIRMS AND MARKET IN THEIR NATIONAL CONTEXTS. LONDON: SAGE PUBLICATIONS, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

WHITLEY RICHARD. EUROPEAN BUSINESS SYSTEMS: FIRMS AND MARKET IN THEIR NATIONAL CONTEXTS. SAGE PUBLICATIONS, 1992.