Cita APA (7th ed.)
Andrews, D. W., & Juergenson, E. M. (1961). Selected lessons for teaching agricultural science.
Cita Chicago (17th ed.)
Andrews, Dale W., i Elwood M. Juergenson. Selected Lessons for Teaching Agricultural Science. 1961.
Cita MLA (9th ed.)
Andrews, Dale W., i Elwood M. Juergenson. Selected Lessons for Teaching Agricultural Science. 1961.
Atenció: Aquestes cites poden no estar 100% correctes.