Covello, L. (1958). The heart is the teacher ([1st ed.].). McGraw-Hill.
Cita Chicago Style (17a ed.)Covello, Leonard. The Heart Is the Teacher. [1st ed.]. New York: McGraw-Hill, 1958.
Cita MLA (9a ed.)Covello, Leonard. The Heart Is the Teacher. [1st ed.]. McGraw-Hill, 1958.
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