APA-Zitierstil (7. Ausg.)

Laan, J. v. d. (1922). An enquiry on a psychological basis into the use of the progressive form in late modern English. Duym.

Chicago-Zitierstil (17. Ausg.)

Laan, Jacobus van der. An Enquiry on a Psychological Basis into the Use of the Progressive Form in Late Modern English. Gorinchem: Duym, 1922.

MLA-Zitierstil (9. Ausg.)

Laan, Jacobus van der. An Enquiry on a Psychological Basis into the Use of the Progressive Form in Late Modern English. Duym, 1922.