Norris, P. Comparing Difficulties and Combination Possibilities: Experience in the United Kingdom. Methodik und Methodologie.
Chicago-Zitierstil (17. Ausg.)Norris, Paul. "Comparing Difficulties and Combination Possibilities: Experience in the United Kingdom." Methodik Und Methodologie .
MLA-Zitierstil (8. Ausg.)Norris, Paul. "Comparing Difficulties and Combination Possibilities: Experience in the United Kingdom." Methodik Und Methodologie, .
警告：这些引文格式不一定是100％准确.