Hudson, R. (1978). English complex sentences: An introduction to systemic grammar. North- Holland.
Citazione stile Chigago Style (17a edizione)Hudson, R.A. English Complex Sentences: An Introduction to Systemic Grammar. NewYork: North- Holland, 1978.
Citatione MLA (9a ed.)Hudson, R.A. English Complex Sentences: An Introduction to Systemic Grammar. North- Holland, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.