Jackson, Paul
Natural justice / Paul Jackson
Sweet & Maxwell, 1973
 Buku Teks
Simanjuntak, Herpinus
German Grammar and Conversation Handbook
Kesaint Blanc, 2017
 Buku Teks
Irving, W Washington
Essays from the sketch book; with introduction, explanatory notes and questions and topics for study by
Boston [etc.] Houghton Mifflin [1922]
 Buku Teks
Saunders, Joy
German verb handbook : comprehensive guide to German verbs
Berlitz, 1993
 Buku Teks
DDR, Das Ende eines Staates/edited with an introduction and notes by Paul Jackson
Manchester Manchester University Press 1995,
 Buku Teks