Dyfyniad APA

Keith-Lucas, A. (1972). Giving and taking help. University of North Carolina.

Dyfyniad Arddull Chicago

Keith-Lucas, Alan. Giving and Taking Help. Chapel hill: University of North Carolina, 1972.

Dyfyniad MLA

Keith-Lucas, Alan. Giving and Taking Help. University of North Carolina, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.