Gaya APA
Lado, Robert. (1977).
Lado english series, book 6 (text).
New York:
Regents Publishing Company.
Gaya Chicago
Lado, Robert.
Lado english series, book 6.
text
New York:
Regents Publishing Company,
1977.
Tesis.
Gaya MLA
Lado, Robert.
Lado english series, book 6.
text
New York:
Regents Publishing Company,
1977.
Tesis.
Gaya Turabian
Lado, Robert.
Lado english series, book 6.
text
New York:
Regents Publishing Company,
1977.
Tesis.