JOHNSON SPENCER. (1987). ONE MINUTE FOR MYSELF: HOW TO MANAGE YOUR MOST VALUABLE ASSET. AVON BOOKS.
Lua i Stíl Chicago (17ú heag.)JOHNSON SPENCER. ONE MINUTE FOR MYSELF: HOW TO MANAGE YOUR MOST VALUABLE ASSET. NEW YORK: AVON BOOKS, 1987.
Lua MLA (9ú heag.)JOHNSON SPENCER. ONE MINUTE FOR MYSELF: HOW TO MANAGE YOUR MOST VALUABLE ASSET. AVON BOOKS, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.