Cita APA (7th ed.)

HARDY. (1988). SUCCESSFUL BUSINESS STRATEGY. KOGAN PAGE LTD.

Cita Chicago (17th ed.)

HARDY. SUCCESSFUL BUSINESS STRATEGY. LONDON: KOGAN PAGE LTD, 1988.

Cita MLA (9th ed.)

HARDY. SUCCESSFUL BUSINESS STRATEGY. KOGAN PAGE LTD, 1988.