APA

Helfert E. A., May E. G. & McNair M. P. (1965). Controllership in department stores. Boston: Division of Research, Graduate School of Business Administration, Harvard University.

Chicago

Helfert Erich A, May Eleanor G and McNair Malcolm Perrine. 1965. Controllership in department stores. Boston: Division of Research, Graduate School of Business Administration, Harvard University.

Harvard

Helfert E. A., May E. G. and McNair M. P. (1965). Controllership in department stores. Boston: Division of Research, Graduate School of Business Administration, Harvard University.

MLA

Helfert Erich A, May Eleanor G and McNair Malcolm Perrine. Controllership in department stores. Boston: Division of Research, Graduate School of Business Administration, Harvard University. 1965.