Hess, G. R. (1967). Sam Higgin Bottom of Allahabad: Pioneer of Point four to India. The University of Virginia.
Dyfyniad Arddull ChicagoHess, Gary. R. Sam Higgin Bottom of Allahabad: Pioneer of Point Four to India. Charlottesville: The University of Virginia, 1967.
Dyfyniad MLAHess, Gary. R. Sam Higgin Bottom of Allahabad: Pioneer of Point Four to India. The University of Virginia, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.