APA استشهاد

Gassner, J. (1966). Theatre at the crossroads: Plays and playwrights of the mid-century American stage.

استشهاد بنمط شيكاغو

Gassner, John. Theatre at the Crossroads: Plays and Playwrights of the Mid-century American Stage. 1966.

MLA استشهاد

Gassner, John. Theatre at the Crossroads: Plays and Playwrights of the Mid-century American Stage. 1966.