- Cărți electroniceSchaum's Outline of Programming with JavaJohn R. Hubbard
- Cărți electroniceSchaum's Outline of Data Structures with Java, 2edJohn R. Hubbard
- Cărți electroniceSchaum's Easy OutlineJohn R. Hubbard
- Cărți electroniceSchaum's Easy Outline of Programming with JavaJohn R. Hubbard
- Cărți electroniceSchaum's Outline of Programming with C++John R. Hubbard