Gaya APA
Roop, Peter. (1998).
Grace's Letter to Lincoln : Peter Roop, Connie Roop .
New York:
Scholastic.
Gaya Chicago
Roop, Peter.
Grace's Letter to Lincoln : Peter Roop, Connie Roop.
New York:
Scholastic,
1998.
English Corner.
Gaya MLA
Roop, Peter.
Grace's Letter to Lincoln : Peter Roop, Connie Roop.
New York:
Scholastic,
1998.
English Corner.
Gaya Turabian
Roop, Peter.
Grace's Letter to Lincoln : Peter Roop, Connie Roop.
New York:
Scholastic,
1998.
English Corner.