DOOLEY, Jenny a EVANS, Virginia. Grammarway. 3. English grammar book. Blackpill: Express Publishing, 1999. ISBN 9607212444.
APA CSE CSE NY ČSN ISO 690:2022 (číslování) ČSN ISO 690:2022 - autor, datum Harvard Chicago (16th edition) IEEE ISO 690 MLA (7th edition) Turabian (7th edition)