JOHNSON SPENCER. (1987). ONE MINUTE FOR MYSELF: HOW TO MANAGE YOUR MOST VALUABLE ASSET. AVON BOOKS.
Dyfyniad Arddull ChicagoJOHNSON SPENCER. ONE MINUTE FOR MYSELF: HOW TO MANAGE YOUR MOST VALUABLE ASSET. NEW YORK: AVON BOOKS, 1987.
Dyfyniad MLAJOHNSON SPENCER. ONE MINUTE FOR MYSELF: HOW TO MANAGE YOUR MOST VALUABLE ASSET. AVON BOOKS, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.