Gaya APA

Swanson, C, P., Cibula, A, B. (NULL). Biological sciences loboratory guide volume II . Iowa:: Iowa: Kendall/Hunt; 1978.

Gaya MLA

Swanson, Carl, P.., Cibula, Adam, B. "Biological sciences loboratory guide volume II". Iowa:: Iowa: Kendall/Hunt; 1978, NULL. Text.