Perrin, R. (1971). Focus the future: An introduction to long range corporate planning. Management.
Chicago ZitierstilPerrin, Robert. Focus the Future: An Introduction to Long Range Corporate Planning. London: Management, 1971.
MLA ZitierstilPerrin, Robert. Focus the Future: An Introduction to Long Range Corporate Planning. Management, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.