Gaya APA

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

Gaya MLA

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