Gaya APA

RIGGENBACH, H., SAMUDA, V. (1997). GRAMMAR DIMENSIONS FORM, MEANING, AND USE, SECOND EDITION . BOSTON: HEINLE.

Gaya MLA

RIGGENBACH, HEIDI., SAMUDA, VIRGINIA. "GRAMMAR DIMENSIONS FORM, MEANING, AND USE, SECOND EDITION". BOSTON: HEINLE, 1997. Prodi S1 Sastra Inggris.