Gaya APA
New English 900. (1978).
Filipina:
Macmillan Publishing Co., Inc..
Gaya Chicago
New English 900.
Cet. 3.
Filipina:
Macmillan Publishing Co., Inc.,
1978.
.
Gaya MLA
New English 900.
Cet. 3.
Filipina:
Macmillan Publishing Co., Inc.,
1978.
.
Gaya Turabian
New English 900.
Filipina:
Macmillan Publishing Co., Inc.,
1978.
.