Gaya APA

Malberg, B., Nickel,Dietrich, . (1971). IRAL (International Review of Applied Linguistics in Language Teaching) Vol IX No. 1-4 (Vol IX No. 1-4). German: Julius Groos Verlag Heidelberg.

Gaya MLA

Malberg, Bertil., Nickel,Dietrich, . "IRAL (International Review of Applied Linguistics in Language Teaching) Vol IX No. 1-4". Vol IX No. 1-4 German: Julius Groos Verlag Heidelberg, 1971. .