Gaya APA
Weber, C, O. (1961).
Reading and vocabulary development (2nd ed).
Englewood Cliffs, New Jersey:
Prentice-Hall, Inc..
Gaya MLA
Weber, Christian, Oliver.
"Reading and vocabulary development".
2nd ed
Englewood Cliffs, New Jersey:
Prentice-Hall, Inc.,
1961.
BUKU.