APA (7th ed.) Citation

Thornburg, R. A. (1986). A study of selected secondary school principals' attitudes toward physical education. [publisher not identified].

Chicago Style (17th ed.) Citation

Thornburg, Roland Albert. A Study of Selected Secondary School Principals' Attitudes Toward Physical Education. [Place of publication not identified]: [publisher not identified], 1986.

MLA (9th ed.) Citation

Thornburg, Roland Albert. A Study of Selected Secondary School Principals' Attitudes Toward Physical Education. [publisher not identified], 1986.