APA Style
Harvard Business School core collection. (1991).
Boston:
HBS Press.
Chicago Style
Harvard Business School core collection.
.
Boston:
HBS Press,
1991.
.
MLA Style
Harvard Business School core collection.
.
Boston:
HBS Press,
1991.
.
Turabian Style
Harvard Business School core collection.
Boston:
HBS Press,
1991.
.