APA-viite (7. p.)

Wrigley, N., & Clark, G. (1997). Exit, the firm and sunk costs: Re-conceptualising the corporate geography of disinvestment and plant closure. Sage Publications.

Chicago-viite (17. p.)

Wrigley, N., ja G. Clark. Exit, the Firm and Sunk Costs: Re-conceptualising the Corporate Geography of Disinvestment and Plant Closure. Sage Publications, 1997.

MLA-viite (9. p.)

Wrigley, N., ja G. Clark. Exit, the Firm and Sunk Costs: Re-conceptualising the Corporate Geography of Disinvestment and Plant Closure. Sage Publications, 1997.