Swindoll, C. R. (1982). Strengthening your grip: Essentials in an aimless world. Word.
Dyfyniad Arddull ChicagoSwindoll, Charles R. Strengthening Your Grip: Essentials in an Aimless World. Texas: Word, 1982.
Dyfyniad MLASwindoll, Charles R. Strengthening Your Grip: Essentials in an Aimless World. Word, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.