Gaya APA
SOMERVILLE, William. (1927).
How A Tree Grows .
London:
Oxford University Press.
Gaya Chicago
SOMERVILLE, William.
How A Tree Grows.
London:
Oxford University Press,
1927.
Teks.
Gaya MLA
SOMERVILLE, William.
How A Tree Grows.
London:
Oxford University Press,
1927.
Teks.
Gaya Turabian
SOMERVILLE, William.
How A Tree Grows.
London:
Oxford University Press,
1927.
Teks.