Hayden, G. L. (1950). Karen and the cobra. Review and Herald.
Cita Chicago (17th ed.)Hayden, Gwedolen Lampshire. Karen and the Cobra. Review and Herald, 1950.
Cita MLA (9th ed.)Hayden, Gwedolen Lampshire. Karen and the Cobra. Review and Herald, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.