APA Style
Board of directors (part II). (1981).
Boston:
HBR.
Chicago Style
Board of directors (part II).
.
Boston:
HBR,
1981.
.
MLA Style
Board of directors (part II).
.
Boston:
HBR,
1981.
.
Turabian Style
Board of directors (part II).
Boston:
HBR,
1981.
.