Johns, T. (1999). Perfect time management: All you need to get it right first time. London: Random House Business.
Chicago-стиль цитированияJohns, Ted. Perfect Time Management: All You Need to Get It Right First Time. London: Random House Business, 1999.
MLA-цитированиеJohns, Ted. Perfect Time Management: All You Need to Get It Right First Time. London: Random House Business, 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.