APA Style
1999 Harvard Business School core collection. (1999).
Boston:
Harvard Business School Press.
Chicago Style
1999 Harvard Business School core collection.
.
Boston:
Harvard Business School Press,
1999.
.
MLA Style
1999 Harvard Business School core collection.
.
Boston:
Harvard Business School Press,
1999.
.
Turabian Style
1999 Harvard Business School core collection.
Boston:
Harvard Business School Press,
1999.
.