Gaya APA
Johnson, George B.. (2008).
The living World (5 th. ed.).
New York:
Brown Higher Education.
Gaya Chicago
Johnson, George B..
The living World.
5 th. ed.
New York:
Brown Higher Education,
2008.
.
Gaya MLA
Johnson, George B..
The living World.
5 th. ed.
New York:
Brown Higher Education,
2008.
.
Gaya Turabian
Johnson, George B..
The living World.
5 th. ed.
New York:
Brown Higher Education,
2008.
.