APA Style
Seal, Bernard. (1990).
American vocabulary builder 1 .
Longman:
Longman.
Chicago Style
Seal, Bernard.
American vocabulary builder 1.
Longman:
Longman,
1990.
TXB.
MLA Style
Seal, Bernard.
American vocabulary builder 1.
Longman:
Longman,
1990.
TXB.
Turabian Style
Seal, Bernard.
American vocabulary builder 1.
Longman:
Longman,
1990.
TXB.