Douglas-Young, John
Complete guide to reading schematic diagrams
Parker Publishing Company, 1979
Buku Referensi
Hammersley, Martyn
Reading Ethnographic Research: a critical guide
Longman , 1990
Buku Teks
Pattie, David
The complete critical guide to Samuel Beckett
Routledge , 2000
Buku Teks
Rudd, Gillian
The complete critical guide to Geoffrey Chaucer
Routledge , 2001
Buku Teks
Bradford, Richard, 1957-
The complete critical guide to John Milton
Routledge, 2001
Buku Teks