APA
The Federal Minister of Education and Science, . (1988). The Dual System of Vocational Training in the Federal Republic of Germany : Principles and Experience. Bonn: The Federal Minister of Education and Science.
Chicago
The Federal Minister of Education and Science, . 1988. The Dual System of Vocational Training in the Federal Republic of Germany : Principles and Experience. Bonn: The Federal Minister of Education and Science.
Harvard
The Federal Minister of Education and Science, . (1988). The Dual System of Vocational Training in the Federal Republic of Germany : Principles and Experience. Bonn: The Federal Minister of Education and Science.
MLA
The Federal Minister of Education and Science, . The Dual System of Vocational Training in the Federal Republic of Germany : Principles and Experience. Bonn: The Federal Minister of Education and Science. 1988.