Citação APA (7ª ed.)

Urbiztondo, L. G. (1979). Class vs. field activities as supplement to the lecture-discussion method: Effects on achievement in high school biology.

Citação do estilo Chicago (17ª ed.)

Urbiztondo, Lorna Galvan. Class Vs. Field Activities as Supplement to the Lecture-discussion Method: Effects on Achievement in High School Biology. 1979.

Citação MLA (9ª ed.)

Urbiztondo, Lorna Galvan. Class Vs. Field Activities as Supplement to the Lecture-discussion Method: Effects on Achievement in High School Biology. 1979.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.