APA Style
Krug,C.A.. (1968).
World Coffee Survey .
:
F.A.O..
Chicago Style
Krug,C.A..
World Coffee Survey.
:
F.A.O.,
1968.
Text.
MLA Style
Krug,C.A..
World Coffee Survey.
:
F.A.O.,
1968.
Text.
Turabian Style
Krug,C.A..
World Coffee Survey.
:
F.A.O.,
1968.
Print.