APA (7th ed.) Citation

Penttinen, E. M., & Böttger, H. Cross-Linguistic Influences of Learning German in Finnish and German Upper Secondary Schools. Prof Thomas Tinnefeld.

Chicago Style (17th ed.) Citation

Penttinen, Esa M., and Heiner Böttger. Cross-Linguistic Influences of Learning German in Finnish and German Upper Secondary Schools. Prof Thomas Tinnefeld.

MLA (9th ed.) Citation

Penttinen, Esa M., and Heiner Böttger. Cross-Linguistic Influences of Learning German in Finnish and German Upper Secondary Schools. Prof Thomas Tinnefeld.

Warning: These citations may not always be 100% accurate.