Orilia, Lawrence S.
New York
1985
Dumitraşcu, Horia
Bucureşti
Albatros
1987
Bent, Robert J.
Pacific Grove, California
Brooks/Cole Publishing Company
Editura Didactică şi Pedagogică
1978
Dumitraşcu, Liviu
1989
State, Luminiţa
1993
Agni
1992
9739562612
Goia, Cornel
Cluj-Napoca
Dacia
Popovici, Mircea-Mihail
Editura APH