APA

Bishop B., Cook N. & Grossman L. (1988). Bulgarian road to self-management. : Sofia Press.

Chicago

Bishop Barbara, Cook Nancy and Grossman Leanne. 1988. Bulgarian road to self-management. : Sofia Press.

Harvard

Bishop B., Cook N. and Grossman L. (1988). Bulgarian road to self-management. : Sofia Press.

MLA

Bishop Barbara, Cook Nancy and Grossman Leanne. Bulgarian road to self-management. : Sofia Press. 1988.