Gaya APA
PRENTICE-HALL, . (1965).
Director's and officer's complete letter book .
Engelwood Cliffs, New Jersey:
Prentice-Hall.
Gaya MLA
PRENTICE-HALL, .
"Director's and officer's complete letter book".
Engelwood Cliffs, New Jersey:
Prentice-Hall,
1965.
Buku.