APA-ийн эшлэл(7 дахь хэвлэлт)

Bakracheva, A., & Nikolova, O. (2013). Visibility beyond the visible: The poetic discourse of American transcendentalism. Rodopi.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Bakracheva, Albena, ба Olga Nikolova. Visibility Beyond the Visible: The Poetic Discourse of American Transcendentalism. Amsterdam ; New York, NY: Rodopi, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Bakracheva, Albena, ба Olga Nikolova. Visibility Beyond the Visible: The Poetic Discourse of American Transcendentalism. Rodopi, 2013.