Style de citation APA (7e éd.)

ELLENA, W. (1967). A LOOK AT THE SCHOOLS OF TOMORROW--A SPEECH GIVEN TO THE 1ST ANNUAL SCHOOL ADMINISTRATORS SEMINAR OF THE AMERICAN SCHOOL FOOD SERVICE ASSOCIATION (VAIL VILLAGE, COLO., DEC. 6-8, 1967). (TITLE SUPPLIED).

Style de citation Chicago (17e éd.)

ELLENA, WILLIAM. A LOOK AT THE SCHOOLS OF TOMORROW--A SPEECH GIVEN TO THE 1ST ANNUAL SCHOOL ADMINISTRATORS SEMINAR OF THE AMERICAN SCHOOL FOOD SERVICE ASSOCIATION (VAIL VILLAGE, COLO., DEC. 6-8, 1967). (TITLE SUPPLIED). 1967.

Style de citation MLA (9e éd.)

ELLENA, WILLIAM. A LOOK AT THE SCHOOLS OF TOMORROW--A SPEECH GIVEN TO THE 1ST ANNUAL SCHOOL ADMINISTRATORS SEMINAR OF THE AMERICAN SCHOOL FOOD SERVICE ASSOCIATION (VAIL VILLAGE, COLO., DEC. 6-8, 1967). (TITLE SUPPLIED). 1967.