Gaya APA
H, I, M., Tamtomo, L, K. (2005).
Building Blocks; english competency for year lX SMP/MTs .
Yogyakarta:
Citra Aji Parama.
Gaya MLA
H, Ignatia, M., Tamtomo, Leo, K.
"Building Blocks; english competency for year lX SMP/MTs".
Yogyakarta:
Citra Aji Parama,
2005.
Text.