APA-ийн эшлэл(7 дахь хэвлэлт)

GASSNER, J. (1960). Theatre at the crossroads: Plays and playwrights of the mid-century American stage. Holt, Rinehart and Winston.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

GASSNER, John. Theatre at the Crossroads: Plays and Playwrights of the Mid-century American Stage. Holt, Rinehart and Winston, 1960.

MLA -ийн эшлэл (9 дэх хэвлэлт)

GASSNER, John. Theatre at the Crossroads: Plays and Playwrights of the Mid-century American Stage. Holt, Rinehart and Winston, 1960.