Cita APA (7th ed.)

Wilt, F., & Ecker, T. (1970). International track and field coaching encyclopedia. Parker.

Cita Chicago (17th ed.)

Wilt, Fred, i Tom Ecker. International Track and Field Coaching Encyclopedia. West Nyack, N. Y: Parker, 1970.

Cita MLA (9th ed.)

Wilt, Fred, i Tom Ecker. International Track and Field Coaching Encyclopedia. Parker, 1970.