Cita APA (7a ed.)

(1988). [LI 1-31, (lückenhaft)]. Lettre international.

Cita Chicago Style (17a ed.)

[LI 1-31, (lückenhaft)]. Berlin: Lettre international, 1988.

Cita MLA (8a ed.)

[LI 1-31, (lückenhaft)]. Lettre international, 1988.