APA aipamena

BLASHFIELD, J. &. B. (1991). OIL SPILLS. CHILDRENS PRESS.

Chicago Style aipamena

BLASHFIELD, JEAN.F & BLACK. OIL SPILLS. USA: CHILDRENS PRESS, 1991.

MLA aipamena

BLASHFIELD, JEAN.F & BLACK. OIL SPILLS. CHILDRENS PRESS, 1991.