Gamon, D. Building mental muscle: Conditioning exercises for the six intelligence zones. Viva Books.
Chicago Style (17th ed.) CitationGamon, David; Bragdon. Building Mental Muscle: Conditioning Exercises for the Six Intelligence Zones. Viva Books.
MLA引文Gamon, David; Bragdon. Building Mental Muscle: Conditioning Exercises for the Six Intelligence Zones. Viva Books.
警告:這些引文格式不一定是100%准確.