Sanchez Vidella, Alex, author
Loft Publications, 2011
Buku Referensi
Vidiella, Alex Sanchez, author
LOFT Publications S.L., 2011
Buku Referensi
Mitchell, William E., author
W.W. Norton, 1978
Buku Teks
Ina Publikatama, 2004
Buku Referensi
Artikel Jurnal