APA-ийн эшлэл(7 дахь хэвлэлт)

Punitha, S. (2008). Spoken English: A foundation course (With CD)- Part I. Orient Longman.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Punitha, Susheela. Spoken English: A Foundation Course (With CD)- Part I. Hyderabad: Orient Longman, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Punitha, Susheela. Spoken English: A Foundation Course (With CD)- Part I. Orient Longman, 2008.