Harvard:
Kelz, H. 1984, "Contrastive and error analysis: Vietnamese--German", in <Papers and studies in contrastive linguistics> (Poznan), vol. 18, pp. 143ff..
APA:
Kelz, H. (1984). Contrastive and error analysis: Vietnamese--German. <Papers and studies in contrastive linguistics> (Poznan), 18, 143ff..
Chicago:
Kelz, Heinrich. 1984. "Contrastive and Error Analysis: Vietnamese--German." In <Papers and studies in contrastive linguistics> (Poznan), 18: 143ff..
MLA:
Kelz, Heinrich. "Contrastive and Error Analysis: Vietnamese--German." <Papers and studies in contrastive linguistics> (Poznan). 18. (1984): 143ff..
Citation within the text:
(Kelz 1984)
Zotero:
Save reference in Zotero
BibTeX:
@article{kelz1984contrastive,
  author = {Kelz, Heinrich},
  title = {Contrastive and error analysis: Vietnamese--German},
  year = {1984},
  journal = {<Papers and studies in contrastive linguistics> (Poznan)},
  volume = {18},
  pages = {143ff.},
  keywords = {Vietnamese: Contr anal, Viet-German},
  source = {Huffman86-a-k},
}