Gaya APA
Nelson, Joan. (1980).
Meeting challenges (Teacher`s edition).
New York:
American Book.
Gaya Chicago
Nelson, Joan.
Meeting challenges.
Teacher`s edition
New York:
American Book,
1980.
Text.
Gaya MLA
Nelson, Joan.
Meeting challenges.
Teacher`s edition
New York:
American Book,
1980.
Text.
Gaya Turabian
Nelson, Joan.
Meeting challenges.
Teacher`s edition
New York:
American Book,
1980.
Print.