Giddings, P. J. (1974). Marketing boards and ministers: A study of agricultural marketing boards as political and administrative instruments. Farnborough, Hants. (D.C. Heath Ltd, Westmead, Farnborough, Hants.) : Lexington, Mass.: Saxon House.
Παραπομπή Chicago StyleGiddings, Philip James. Marketing Boards and Ministers: A Study of Agricultural Marketing Boards As Political and Administrative Instruments. Farnborough, Hants. (D.C. Heath Ltd, Westmead, Farnborough, Hants.) : Lexington, Mass.: Saxon House, 1974.
Παραπομπή MLAGiddings, Philip James. Marketing Boards and Ministers: A Study of Agricultural Marketing Boards As Political and Administrative Instruments. Farnborough, Hants. (D.C. Heath Ltd, Westmead, Farnborough, Hants.) : Lexington, Mass.: Saxon House, 1974.