Gaya APA
Haarer, A.E.. (1963).
Coffee growing .
London:
Oxford University Press.
Gaya Chicago
Haarer, A.E..
Coffee growing.
London:
Oxford University Press,
1963.
Tesis.
Gaya MLA
Haarer, A.E..
Coffee growing.
London:
Oxford University Press,
1963.
Tesis.
Gaya Turabian
Haarer, A.E..
Coffee growing.
London:
Oxford University Press,
1963.
Tesis.