Gaya APA
Roehler, G, G, D, ;, L, R. (1983).
Building reading skills lavel 2 .
Wheaton Illinois:
McDougal, littell & company.
Gaya MLA
Roehler, Gerald, G., Duffy, ;, Laura, R..
"Building reading skills lavel 2".
Wheaton Illinois:
McDougal, littell & company,
1983.
Text.