Dyfyniad APA

Hammer, D. (1988). Peak energy: The high-oxigen program for more energy now! G.P. Putnam's.

Dyfyniad Arddull Chicago

Hammer, Daniel. Peak Energy: The High-oxigen Program for More Energy Now! G.P. Putnam's, 1988.

Dyfyniad MLA

Hammer, Daniel. Peak Energy: The High-oxigen Program for More Energy Now! G.P. Putnam's, 1988.

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