Gaya APA
Lubis Pulungan, Siti Eryda. (2001).
Let's make friends with English: book one for elementary school .
Jakarta:
Esis.
Gaya Chicago
Lubis Pulungan, Siti Eryda.
Let's make friends with English: book one for elementary school.
Jakarta:
Esis,
2001.
Text.
Gaya MLA
Lubis Pulungan, Siti Eryda.
Let's make friends with English: book one for elementary school.
Jakarta:
Esis,
2001.
Text.
Gaya Turabian
Lubis Pulungan, Siti Eryda.
Let's make friends with English: book one for elementary school.
Jakarta:
Esis,
2001.
Print.