APA

Tanner D., Keefe J. W. & NASSP Curriculum Council. (1988). Improving the curriculum: the principal's challenge : a report of the NASSP Curriculum Council. Reston, Va: National Association of Secondary School Principals.

Chicago

Tanner Daniel, Keefe James W and NASSP Curriculum Council. 1988. Improving the curriculum: the principal's challenge : a report of the NASSP Curriculum Council. Reston, Va: National Association of Secondary School Principals.

Harvard

Tanner D., Keefe J. W. and NASSP Curriculum Council. (1988). Improving the curriculum: the principal's challenge : a report of the NASSP Curriculum Council. Reston, Va: National Association of Secondary School Principals.

MLA

Tanner Daniel, Keefe James W and NASSP Curriculum Council. Improving the curriculum: the principal's challenge : a report of the NASSP Curriculum Council. Reston, Va: National Association of Secondary School Principals. 1988.