Graham, B. (1960). Answers to life's problems. Grason.
Cita Chicago Style (17a ed.)Graham, Billy. Answers to Life's Problems. Minneapolis: Grason, 1960.
Cita MLA (9a ed.)Graham, Billy. Answers to Life's Problems. Grason, 1960.
Precaución: Estas citas no son 100% exactas.