Hohfeld, J. M. (1950). An experiment employing two method of teaching Spanish to college freshmen. [s.n.].
Citação do estilo Chicago (17ª ed.)Hohfeld, John Maurice. An Experiment Employing Two Method of Teaching Spanish to College Freshmen. Philadelphia: [s.n.], 1950.
Citação MLA (9ª ed.)Hohfeld, John Maurice. An Experiment Employing Two Method of Teaching Spanish to College Freshmen. [s.n.], 1950.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.