APA

Lippitt G. L., . (1973). Visualizing change; model building and the change process. [Fairfax, Va: NTL Learning Resources Corp.

Chicago

Lippitt Gordon L, . 1973. Visualizing change; model building and the change process. [Fairfax, Va: NTL Learning Resources Corp.

Harvard

Lippitt G. L., . (1973). Visualizing change; model building and the change process. [Fairfax, Va: NTL Learning Resources Corp.

MLA

Lippitt Gordon L, . Visualizing change; model building and the change process. [Fairfax, Va: NTL Learning Resources Corp. 1973.